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pH Monitor & Control

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Latest Products in pH Monitor & Control
Ph-Pro Meter Budget PH Meter KCI Storage Solution 100ml pH 4.01 Calibration Solution 100ml pH 7.00 Calibration Solution 100ml P160 Pro electrode Combo Pen P160 Pro pH, EC, TDS, PPM, Temp Meter Combo Pen P110 Pro ph, EC, Temp P50 Pro pH Electrode AMT1001 Milwaukee MW804 MAX Waterproof 4-in-1 pH / EC / TDS / Temp
Bluelab Grower's Toolbox Bluelab
A handy pack with everything you need to get going and keep growing! The Bluelab Grower’s Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book, so you can get going… And keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These clever little pens make it easy to measure the nutrient uptake (pH), the amount of food available (ppm) and the solution...
£149.95
Aqua Master Replacement Electrode for P100 Pro Combo Pen AquaMaster
Suitable for the Combo Pen P100 Pro. Please refer to the P100 Pro User Guide for instructions on how to replace the electrode.
£40.00
Aqua Master Replacement pH Electrode for P700 Pro2 Combo Meter AquaMaster
The Aqua master tools replaceable pH electrode is easy to connect using the BNC connector. Due to the long pH double junction electrode, it has a longer life. Over time, pH electrodes age, even with good care and regular cleaning, the lifespan will be extended. However, over time, reference fluid will become contaminated and the electrode will continue to respond slowly. The gel-filled electrode will then have to be replaced.
£57.00
Aqua Master Tools P700 Pro2 AquaMaster
The renewed Combo meter P700 Pro2 has a modern, robust housing. It is also equipped with a large screen on which all value can be read. In addition, the software has been improved, so that accurate measurements can now be read faster. The electrodes are easy to replace if worn or broken. The Combo meter P700 Pro2 is ideal for measuring the pH, EC, CF, PPM and temperature of nutrient water for plants and water in swimming pools, jacuzzis and ponds. With the easy to operate buttons you can easily switch between the parameters. The meter is...
£234.00
Aqualine pH Dosing Pump Kit
The small & precise flow of the MP810 provides fully automated pH control of aqueous solutions in the hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The peristaltic pump allows you to maintain the ideal pH values in your tank. After selecting the desired pH setting from 5.5 to 9.5 pH, the pH controller measures the pH value of the solution & automatically adds pH adjustment (acid or alkaline) to change the liquid's pH to the desired selected level.
£251.98
Aqualine pH Stick Aqualine
Measure the pH of your garden with ease. This Aqualine stick provides results in seconds and is small enough to keep on hand. It's important to know the conditions your plants are growing in; there's no use in all the effort if the soil is harmful. Fertiliser that is too acidic may be prone to nutrient leaching, leading to wilting and yellow spots. Overly alkaline soil reduces its solubility, and plants may have stunted growth or iron deficiencies as a result.   Know your garden Knowing the pH of the soil you grow in can...
£74.95
Bluelab Combo Meter Plus Bluelab
Our best-selling meter paired with the Leap pH Probe for quicker measurements in any substrate. Take care of the fundamentals - Three-in-one portable solution The fundamental parameters of pH, conductivity and temperature all play a pivotal role in driving optimal nutrient uptake. With Bluelab’s Combo Meter Plus, you can measure all these fundamentals in one convenient, portable device. While conductivity indicates the total amount of nutrients in your solution, pH (potential Hydrogen) shows how acidic or alkaline your medium is...
£256.00
Bluelab Guardian Monitor Connect Inline Bluelab
Monitor your key parameters 24/7 - Save time and effort with continuous monitoring With the Bluelab Guardian Monitor Connect Inline, you will be able to continuously monitor pH, EC and temperature in your nutrient feed line. There’s no need for manual spot checks; instead, you’ll ensure that your nutrient delivery system is working optimally at all times. That’s because when you track the three fundamental parameters of nutrient uptake, you’re able to spot and solve issues as and when they happen. After all, when you keep these...
£476.00
Bluelab Multimedia Meter & Leap pH Probe Bluelab
The pH level of solutions, soils, substrates, media and nutrient solutions strongly influences crop performance. Do you know what the pH of your root zone is? Fast, accurate pH measurement in nutrient solution and root-zone from the palm of your hand. Combine the Bluelab® Multimedia pH Meter and Bluelab® LeapTM pH Probe to take fast accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types. Calibration is simple with one push button on the meter and fresh Bluelab® Calibration...
£139.00
Bluelab PeriPod M3 Bluelab
Automatically maintain reservoir nutrient and pH levels Create the optimal conditions for nutrient uptake The Bluelab PeriPod M3 will maintain stable pH and nutrient levels in your reservoir, ensuring optimal nutrient availability for your plants at all times. Your PeriPod responds to triggers received from the Bluelab Pro Controller, dosing pH adjusters and nutrient stock solutions into your reservoir to achieve optimal conditions for nutrient uptake. Since there’s no need for spot checks or manual adjustments, the Bluelab PeriPod...
£799.95
Bluelab PeriPod M4 Bluelab
Peristaltic pumps for accurate and consistent dosing of nutrient and pH into reservoirs For convenience, doser can be positioned lower than the injection point Quiet and fan-cooled for optimal performance Manual dosing from the unit to prime tubing 120ml/min flow rate M3 and M4 sizes offer an ultra-compact solution for space-saving environments 4 metres/13 feet of tubing for dosing pH adjuster solution High-strength acid-/alkaline-resistant tubing for safe dosing of pH up or down 3x 4 metres/13 feet of food-grade...
£1,119.95
Bluelab pH4.0 Calibration Solution Bluelab
Boost your pH products’ longevity with regular cleaning and calibration. All Bluelab solutions are manufactured specifically for Bluelab products and are NIST traceable to ensure your Bluelab products last longer and maintain accuracy. Now manufactured in Europe!
£6.95
Bluelab pH7.0 Calibration Solution Bluelab
Boost your pH products’ longevity with regular cleaning and calibration. All Bluelab solutions are manufactured specifically for Bluelab products and are NIST traceable to ensure your Bluelab products last longer and maintain accuracy. Now manufactured in Europe!  
£6.95
Bluelab Pro Controller Conductivity Probe Bluelab
Replacement conductivity probe for the Bluelab Pro Controller Connect. Easy to clean Low maintenance Fully submersible probe 2-metre/6.56-foot standard cable
£39.00
Bluelab Probe Care Kit - pH & Conductivity Bluelab
A complete maintenance kit for Bluelab Conductivity and pH probes. pH and Conductivity Probe care instructions 20 ml single-use Bluelab Solution Sachets, 2 each of pH7.0, pH 4.0, KCl, and 2.77 EC Conductivity Standard Solution 3x plastic cups Bluelab pH Probe Cleaning Solution Bluelab Conductivity Probe Cleaning Solution Bluelab Toothbrush (pH probe cleaning instrument) Bluelab Chamois (conductivity probe cleaning instrument)
£19.95
Budget PH Meter Grow Tools
The Grow Gadgets Budget pH Meter is cost-effective and simple to use! This essential garden tool measures the pH readings of growing media, helping growers calculate optimal levels for growth. Accurate and affordable pH measures the acidity or alkalinity of a substance - and it’s vital in a garden. Substrates that are too acidic (low pH) cause severe damage to the roots, while overly alkaline substrates (high pH) “lock out” nutrients and cause deficiencies. The Grow Gadgets Budget pH Meter is an affordable solution for any...
£15.00
Combo Pen P110 Pro ph, EC, Temp Aqua Master Tools
The updated Combo Pen P110 Pro features a modern and robust housing. The improved software now ensures quicker readings of accurate measurements. You can easily replace the electrode should it be worn or damaged. The Combo Pen P110 Pro is ideal for measuring the EC, pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzis and ponds. The user-friendly buttons can be used to effortlessly switch between the parameters. The meter is delivered fully calibrated and includes batteries. How...
£78.00
Combo Pen P160 Pro pH, EC, TDS, PPM, Temp Meter Aqua Master Tools
The updated Combo Pen P160 Pro features a modern and robust housing. The major advantage of this model is its analogue EC calibration. This means that the calibration solution does not need to have a temperature of exactly 25ºC. Calibration takes place without any deviations. EC calibration solutions are extremely sensitive to temperature. However, this does not apply to pH. You can easily replace the electrode should it be worn or damaged. This model comes in a robust case, including pH 4.01, pH 7.00 and EC 14.13...
£164.95
EC Temp meter E50 Pro Aqua Master Tools
The E50 Pro EC temp meter is the latest tool in Aqua Master Tools’ wide range of high quality products. Ideal for measuring EC and temperature of liquid plant nutrition and water in swimming pools, Jacuzzi’s, and ponds. Effortlessly switch between the parameters with the user-friendly buttons. The meter is delivered fully calibrated and includes batteries.     How does the meter work? Remove the protective cover. Gently clean the electrode with distilled water and dry it off. Press the On/off button to start...
£55.80
Garden King Everyday pH Pen Garden HighPro
Easy to use, entry level model ideal for beginners and experienced growers alike. An ideal solution for short term grows, or those on a budget.
£22.95
Growbitz Truncheon PH Meter Grow Bitz
PH Meter / Tester for Fertilizers Nutra-Wand / Truncheon (pH-3385) This pH measuring bar is very quick and easy to use. All the readings can be seen in the meter. You do not need to consult books or manuals. Just enter it into the solution and read the pH value. The 16 LED lamps have a high luminosity and are easy to visualize.     How to Use Place the head of the test tube in the solution for 1 or 2 minutes so that the liquid in the bar and the solution are the same. Remove the test tube. Place the test tube back...
£58.95
KCI Storage Solution 100ml Aqua Master Tools
KCI Storage Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid. Thoroughly rinse the electrode before and after each use. Pour some KCI storage solution into the electrode's protective cover. Place the electrode in the solution.
£5.40
Milwaukee Mi5166 Waterproof Test Kit Milwaukee
The Milwaukee PH51 + C66 kit allows you to test both electrical conductivity and water acidity. the kit is sold with a case to protect the instruments, the practical screwdriver to set the calibration and the tester bags for the initial calibration. Milwaukee once produced the article always calibrates its products before sale, (you will always find a leaflet with the initial calibration date), later if you want to calibrate your testers just put the probe in the calibration bags and with the screwdriver supplied bring the tester to the...
£79.95
Milwaukee Mi6000 pH & EC Tester Kit Milwaukee
The Milwaukee Mi6000 is a complete pH and Ec pocket tester set consisting of the PH600 pH tester and the CD611. The kit is a complete pH and Ec pocket EC tester. The pH and EC set is supplied in a very solid hard shell plastic storage case.
£64.95
Milwaukee MW804 MAX Waterproof 4-in-1 pH / EC / TDS / Temp Milwaukee
The Milwaukee MW804 MAX Waterproof 4-in-1 pH/EC/TDS/Temp Tester is designed as an all-in-one solution for growers. Accuracy The MW804 MAX 4-in-1 tester is accurate to ±0.05 pH, EC/TDS to 2% Full Scale and ±0.5°C / ±1°F for temperature. With automatic calibration and 5 memorized calibration points, the tester can be quickly and easily be calibrated to a higher accuracy compared with manual calibration. Long life The tester comes with a replaceable pH probe with a double junction probe design for longer life. Fast...
£165.95
Milwaukee PH/EC Temp Monitor w/ Manual Calibration Milwaukee
Why Guard when you can Monitor! The Milwaukee MC810 MAX pH/EC/Temp. Monitor lets you monitor your pH/TDS/Temp levels 24/7 automatically. Comments From Field Testing “I run this unit 24/7 and have not had any problems for the past two months. I can monitor 24/7, point a camera on it and connect to my phone.” “Easy to calibrate.” “Using this now, far less expensive than what my friends paid … I recommend this to any serious grower.” Summary The MC811 MAX Monitor automatically monitors and displays pH/EC/Temp...
£225.95
Milwaukee ph51 Waterproof ph Tester Milwaukee
The Milwaukee pH51 is a waterproof pH tester with 2 points manual calibration, ±0.1 pH accuracy and a range of 0.0 to 14.0 pH. Because of the IP65 Waterproof casing and double junction (for pH) replaceable electrode is the ph tester also suitable for heavy duty applications, such as waste water treatment and agriculture. The modular design allows easy electrode and battery replacement. The waterproof tester is supplied in a leather casing complete with calibration solution, batteries, instruction manual and screwdriver for...
£35.95
Milwaukee pH600 pH Tester Milwaukee
Digital - Simple - Compact The Milwaukee pH Pen is designed for hydroponic and other growers to help you make sure that the pH is within an acceptable range.
£32.95
NIDO One - Hydroponic Automation NIDO
Nido is the first intelligent and connected device for the management and monitoring of off-ground systems. Installable in a few minutes, it can automate your greenhouse in just a few simple steps via smartphone/tablet control. All values in a single platform Data monitoring, value management and device control via smartphones will allow you to create an ideal environment for the growth of healthy and extremely productive plants. Compatible with any existing hydroponic system. There are no compatibility limits for NIDO, it is ideal...
£1,290.00
NIDO pH Electrode Probe NIDO
Replacement pH electrode probe for Nido One complete with BNC connector.
£69.00
P160 Pro electrode Aqua Master Tools
Suitable for the Combo pen P160 Pro. Please refer to the User Guide for instructions on how to replace the electrode. Waterproof IP67.
£37.00
P50 Pro pH Electrode AMT1001 Aqua Master Tools
Suitable for the pH Temp meter P50 Pro. Please refer to the User Guide for instructions on how to replace the electrode. Waterproof IP67.
£23.00
pH 4.01 Calibration Solution 100ml Aqua Master Tools
100 ml pH 4.01 Calibration Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C.
£4.80
pH 7.00 Calibration Solution 100ml Aqua Master Tools
100 ml pH 7.00 Calibration Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C.
£4.80
pH Probe Refill & Storage Solution Growth Technology
A solution designed specifically for the refill of liquid-containing pH probes. This liquid is also a storage solution.  Refill the probe, following the instructions supplied with the meter.  The probe should be topped up regularly to maintain correct levels.  This will ensure consistent readings.  The solution should not be used for refilling gel-based electrodes.  This liquid is also ideal for storage of all pH probes - the probe should stand in storage solution whenever it is not being used.  This will maximise...
£5.95
pH Temp meter P50 Pro Aqua Master Tools
The P50 Pro pH temp meter is the latest tool in Aqua Master Tools’ wide range of high quality products. Ideal for measuring pH and temperature of liquid plant nutrition and water in swimming pools, Jacuzzi’s, and ponds. Effortlessly switch between the parameters with the user-friendly buttons. The meter is delivered fully calibrated and includes batteries.     How does the meter work? Prior first usage - soak your pH meter in tap water for 12 hours. Remove the protective cover. Gently clean the electrode...
£59.90
Ph-Pro Meter Grow Tools
This easy-to-use pH meter helps growers calculate the optimum conditions for their plants. The simple digital display makes it simple to identify and correct when nutrient solutions are too high or low. Monitors pH of soil and nutrient solution Maintaining the right pH can make or break a garden. Soil or water that is too acidic can “lock out” essential nutrients and harm beneficial microlife. A pH that is too high equally interrupts nutrient intake and stunts plant growth. The Grow Gadgets pH Meter measures pH in seconds...
£20.00
Soil/Substrate pH meter S300 Pro 2 Aqua Master Tools
The updated Soil/Substrate meter S300 Pro 2 features a modern and robust housing. This digital soil pH/temperature meter can be used to measure the pH and temperature of coconut soil and other moist, soft substrates or liquids. The user-friendly buttons ensure that the meter is extremely easy to operate. The meter is delivered fully calibrated and includes batteries.     How does the meter work? Connect the BNC connector of the electrode to the pH meter and remove the protective cap containing storage solution...
£200.00
Trolmaster (PPH-1) Reservoir pH Sensor - Aqua-X TrolMaster
Suitable for wide range of applications: Hydroponics, Aquariums, Laboratory etc. 3.6-meter long cable for flexible placement. BNC terminal allows direct connection to AMP-2 Sensor Board.
£96.95
Trolmaster (PPH-3) Drop-in/inline Heavy Duty Nutrient pH Sensor TrolMaster
TrolMaster's new PPH-3 pH probe has been improved in multiple ways. The new PPH-3 features a reduced diameter protective sleeve and threaded body that will allow the probe to be installed into standard 3/4" PVC tee fittings. The PPH-3 has an improved sensor element for more stable and reliable performance. Can be used with the AMP-2 or the AMP-3 nutrient sensor module. Features: Suitable for a wide range of applications: Hydroponics, Aquariums, Laboratory etc. 3.6 meter long cable for flexible placement BNC terminal...
£278.95
Bluelab Pro Controller Connect Bluelab
Automated Constant Control of Reservoir pH and Nutrient Levels When connected to a dosing system the Bluelab Pro Controller Connect manages pH, conductivity and temperature levels in reservoirs. As your plants feed, pH and nutrients are automatically adjusted to the desired range. The controller allows you to monitor, data log and control your system in real time for immediate response to personalised settings and system alerts, direct from your computer. Connect Stick included. You will need to customise your system by pairing with the...
£999.95
PerfectPH up to 140L
The perfectpH is a revolutionary pH stabilizer that automatically balances the pH of your hydroponics system, keeping it in the ideal range for optimal nutrient absorption. Using next generation ionization technology, the perfectpH eliminates excess pH swing that inhibits plant growth and weakens the plants’ immune system. Eliminate chemical buffers, frequent reservoir changes, pests, wasted water and nutrients, and dramatically increase yields with the same technology used by NASA. Simply drop into your reservoir and enjoy. How it...
£109.95
Growboss Nutrient Monitoring System Nutradip
The Nutradip GrowBoss sets a new standard for Nutrient Monitoring, ease of use and affordability. The Nutradip Growboss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts. The Growboss is a constant monitoring meter that indicates to the grower the exact levels of Nutrient strength, pH and temperature.This allows the grower to adjust and optimize each parameter as the crop progresses through each growth cycle. The Growboss Display receives information from three input devices...
£299.99
Hanna Groline pH Tester HI-98115 Hanna
This GroLine Hydroponics pH tester has been designed with many advanced features that are found typically in more expensive portable instrumentation. These features include automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off. Key features Large LCD - Enhanced LCD that displays reading, stability indicator, low battery indicator and calibration tags. Replaceable pH Electrode - The HI-1271 supplied gel filled pH...
£53.16
EDGEMULTI High End Hybrid Multiparameter Hanna
Edge - smart, slimline, bench pH, EC and DO meter Edge is the latest innovation from Hanna Instruments offering some of the most advanced technology for measuring pH, Conductivity and Dissolved Oxygen. Smart, slimline and lightweight, Edge delivers fast accurate measurement. With its high precision technology combined with the user-friendly dimensions and format of a digital tablet, the Hanna Edge offers a new, laboratory-grade, flexible pH meter that is breaking new ground in electrochemistry. Cutting-edge design, capacitive touch...
£1,802.33
Hanna Groline Waterproof pH & Temperature Tester HI-98118 Hanna
The HI-98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. The ergonomic design allows this tester to fit comfortably in your hand. The large easy to read LCD display shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on/off and the other for automatic one or two point calibration. This GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic...
£74.52
Professional Nutrient Management Kit EUTECH Instruments
Kit includes: pHTestr 10 ECTestr 11 pH Buffer 4 pH Buffer 7 Conductivity (EC) Standard Replacement Batteries and Carry Case
£219.95
HI-11102 HALO™ pH Electrode with Bluetooth® Smart Technology Hanna
The HI-11102 HALO™ is a pH and temperature electrode which incorporates a Bluetooth transmitter to wirelessly connect to an iPad or the Hanna Edge-Blu pH tablet meter. No need for a pH meter Free to use Hanna Lap App for iPad Flexible, accurate and easy to use Hanna Lab App The first app that turns an iPad® into a full-featured pH meter! The Hanna Lab App turns an iPad® into a full-featured pH meter when used with the Hanna HALO™ pH electrode with Bluetooth® smart technology. Functions include calibration...
£327.59
HI-98194 Multiparameter Waterproof Meter Hanna
HI-98194 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors. The HI-98194 measures pH/mV, ORP, Conductivity, TDS, Resistivity, Salinity, Seawater, Dissolved Oxygen, Atmospheric Pressure and Temperature A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of...
£2,196.00
HI-9125N Handheld pH/mV Meter with Enhanced Design Hanna
The HI-9125N is a rugged, high specification portable meter that offers the additional advantage of being able to measure ORP. Heavy-duty water resistant casing combined with latest microprocessor technology makes this meter ideal for delivering laboratory grade results and accuracy under harsh industrial conditions. Key features Heavy-duty waterproof casing Large clear LCD display Extended pH and temperature given simultaniously Memorises pH reading and recall Battery % remaining on start up User-friendly text and...
£701.10
Hanna pH/EC/TDS/Temperature Meter HI-9814
The HI-9814 is a lightweight, waterproof portable pH, conductivity, TDS and temperature meter supplied with a specialist multiparameter probe designed for hydroponics, greenhouse and agricultural applications. Key features Compact, robust casing Simultaneous readout of pH, EC or TDS and °C Simple two button keyboard Waterproof design to withstand the humidity of a growing environment Specialist multi-parameter electrode Optional green protective rubber holster - HI-710025 The HI-9814 boasts many advance features that...
£254.76
Groline Waterproof pH/EC/TDS/Temperature Tester HI-98131 Hanna
The HI-98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity, TDS and temperature. This versatile pocket meter is designed for hydroponics, greenhouse and agriculture applications. The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI-98131 has advanced features including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm). The HI-98131 GroLine tester features a large...
£201.60
HI-98184 Waterproof pH/ORP/ISE Meter Hanna
The HI-98184 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature. This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm. The HI-98184 also supports 15 different ISE sensors by default and can be calibrated with up to TWO points and 6 standard buffers...
£1,741.67
Hanna Groline Monitor HI-981420 Hanna
Make your nutrient solution easy to manage with the GroLine Monitor and combined pH/EC/Temperature probe. Quick to setup and simple to use, the monitor was designed for hydroponics, aquaponics, and greenhouses. The HI-981420 GroLine Monitor provides 24 hour continuous monitoring of pH, conductivity (EC or TDS), and temperature in hydroponic nutrients. Results every 15 minutes . . . The GroLine Monitor automatically logs your results every 15 minutes over the last 30 days. Minimum, maximum, and average values are stored so you can...
£376.26
Aqua-X Irrigation Control System (NFS-1) TrolMaster
The Aqua-X Irrigation Controller is the main controller of the Aqua-X irrigation control system. With the combination of pH Sensor and EC/Temp Sensor, Aqua-X can monitor the pH, EC and Temp levels of the nutrient. With the use of 110V control board and 24V control board, the system could manage up to 30 individual outputs for multiple watering schedules. With the innovative water detectors, the system could monitor each watering schedules with alerts for watering confirmation.     Features: LCD Display, Easy...
£449.00
pH58 pocket-size pH, ORP & Temperature Meter Milwaukee
Combination waterproof testers with advanced functions also include the new model pH58 for simultaneous pH and ORP measurements and temperature, which is continuously displayed on the dual level LCD. It shows readings in an extended range from -2.00 to 16.00 pH or ±1000 mV and simultaneously shows temperature from -5.0 to 105.0°C or 23 to 221°F. The pH58 has a stability indicator and hold feature that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all operations...
£216.00
HI-98172N Portable pH/ORP/ ISE Meter With Cal Check Hanna
The HI-98184 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature. This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm. The HI-98184 also supports 15 different ISE sensors by default and can be calibrated with up to TWO points and 6 standard buffers...
£1,635.47
Intellidose Single Peristaltic - Medium Duty Autogrow
Perfect for the AutoGrow IntelliDose system and AutoGrow Mini Dosers An affordable, highly accurate dosing pump for use with the AutoGrow IntelliDose system and both AutoGrow Mini Dosers (EC and pH) single unit.
£240.00
HI-9914-2 Wall Mounted pH and Conductivity Controller Hanna
HI 9914 is a wall mounted fertigation controller, designed to meet specific process control requirements in agricultural, horticultural and hydroponics applications. The controller is provided with two measuring channels, one for pH and one for conductivity. The readings are displayed simultaneously on two independent LCDs with backlight. The conductivity probe is designed with a built-in temperature sensor which allows the controller to automatically compensate for the temperature effect. The differential input and the use of a Matching...
£966.59
pH56 Pocket-size pH / Temperature Meter with replaceable electrode Milwaukee
IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.00 to 16.00 pH (with a 0.01 pH resolution) and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to 221.0°F. pH56 has a stability indicator and hold function that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all operations. Complete with a temperature probe for faster and more precise temperature...
£130.00
MiniDoser pH Complete Kit Autogrow
The new Mini Doser continuously measures the pH in the mixing tank and adds either pH lower (acid) or pH raise (alkali) as required to maintain the pH set point. The controller counts the number of doses and in the event of the dose count per hour exceeding a set value an alarm can be sounded. In addition alarms can be set to sound should the pH wander outside user set limits. If the dose count per hour exceeds a user setting, the controller will stop dosing. The solenoid valves are resistant to acids and alkalis at a concentration of 2%...
£870.00
Mi160 pH / ORP / ISE / Temperature Laboratory Bench Meter Milwaukee
This new pH/ORP/ISE/Temp bench meter is ideal for very accurate and precise measurements for all laboratory needs. It can perform ion-selective measurements directly in ppm, as well as pH, ORP and temperature measurements. pH calibration can also be performed in 3 points selectable between 7 memorized buffers, to provide a very accurate calibration curve even when testing different samples, where very wide differences in pH can be found. Thanks to the memory it can store up to 50 data sets for each range that can be downloaded to a PC...
£1,136.00
Mi805 pH / Conductivity / TDS / Temperature Professional Portable Meter Milwaukee
Measures 4 parameters with 1 single probe. Mi805 offers you a combination of pH, Conductivity, total dissolved solids and temperature measurements. You can select from a range of calibration buffers and also the temperature scale (°C or °F) can be selected. The multi-parameter probe MA851D/1, includes pH/EC/TDS and temperature, all in one rugged handle. Other features include different TDS factors from 0.45 to 1.00, and a range of temperature coefficients (ß) from 0.0 to 2.4% for greater consistency and reproducibility. The Stability...
£589.00
Hydromaster HM-500 Continuous pH/EC/TDS/Temp Monitor HM Digital
HM-500: Continuous pH/EC/TDS/Temp Monitor hydromasterThe HM Digital HydroMaster (HM-500) monitors pH, Temp˚C/˚F, EC & TDS providing accurate, stable readings the user can rely on. The unit can be wall mounted, is portable thanks to its rechargeable battery, and can be used as a benchtop monitor with its stand. Continuous pH/EC/TDS/Temp Monitor Rechargeable battery RF Resistant Portable/Wall Mount/Benchtop Data Storage: Up to 20 measurement readings Auto Shut-Off: After 5 minutes Alarm: Adjustable High & Low Set...
£295.00
MC125 pH / ORP Controller  Milwaukee
With Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels. The Milwaukee Instruments "MC" Controllers have a user selectable set point and a visual "Power Activated" LED notification light. Power to the controller box is turned on when the reading is Above or Below ( user selected ) the selected set point. Each unit comes with 12 VDC adapter, mounting kit, probe, probe holder and starter calibration solution for pH. (factory calibrated for ORP) Smart Professional pH/ORP controller User selectable Hi/Low...
£962.00
MW801 Standard Portable pH / Conductivity / TDS Combination Meter Milwaukee
3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW801 with a Conductivity range that goes up to 1990 µS/cm and TDS range that goes up to 1990 ppm is an ideal tool for drinking water measurements. Supplied with the SE600 interchangeable probe to measure pH, Conductivity and TDS. The pH electrode utilizes a fiber junction to reduce contamination when measuring fertilizer solutions. Both meters calibrate manually in pH, Conductivity and TDS.
£331.00
HI-981405N pH/EC Indicator for Agriculture Hanna
The HI-981405N is ideal for agricultural, horticultural and hydroponics applications where pH and EC levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's. The HI-1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a water resistant sleeve. The unique design of the electrode guarantees greater clogging resistance in fertiliser solutions with high concentrations of phosphate or...
£298.95
HI-8424N Handheld Water Resistant pH Meter Hanna
One of the most popular pH meters on the market, this splashproof, portable meter delivers fast, accurate pH, ORP and temperature measurements. Not only does it offer a 0.01 pH resolution across the pH scale, but it is also easy to use without constant reference to an instruction manual. Calibration is automatic at one or two points with three memorised buffer values - pH 4.01, 7.01, 10.01. Once the instrument has been calibrated, the buffer values used during calibration are displayed with tags on the display screen. This keeps users...
£520.37
pH Controller and Doser MC720 Milwaukee
Control the pH of your tank/reservoir AUTOMATICALLY! The MC122 pH controller and dosing pump (MP810) provides fully automated pH control of aqueous solutions in hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The small and precise flow of the peristaltic pump allows you to maintain ideal pH values in your tank. After selecting the desired pH setting from 5.5 to 9.5 pH, the pH controller measures the pH value of the solution and automatically adds pH adjustment (acid or alkaline)...
£330.00
HI-9813-5N pH/EC/TDS/°C Portable Meter Hanna
The HI 9813-5 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. This meter features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument. The HI 9813-5 is a pH/EC/TDS meter designed for simplicity of use in taking pH, mS/cm, ppm and temperature in the °C scale measurements. This...
£318.95
HI-9813-6N pH/EC/TDS/°C Portable Meter Hanna
The HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries. This meter features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument. The HI 9813-6 includes all the features of the HI 9813-5 while incorporating our exclusive CAL CHECK™ feature. CAL CHECK™ allows the user to...
£318.95
HI-981406 pH and ORP Indicator Hanna
Instead of sourcing two meters, users can now continuously measure both pH and ORP with HI-981406. There are two separate adjustable set points for pH and ORP. Once the pH set point is exceeded, the appropriate LED light will come on to alert the operator. Likewise, once the ORP level drops below the set point, the red ORP light will stay on. HI-981406 is supplied with a HI-1283 ground probe. The HI-1283 ground probe provides users with more reliable readouts by suppressing current effects, which are found in pools. The optional...
£286.91
Bluelab Connect Stick Bluelab
New Version Now Available Get connected – data log and view nutrient measurements from your crop wirelessly. The Bluelab Connect Stick receives wireless data from Bluelab Connect Monitors, logging the data to the cloud. ONE Connect Stick will receive data from multiple Bluelab Connect Devices. Simply place the Connect Stick into a USB port on your computer, download and install the FREE Connect Software from the Bluelab website to begin monitoring crop performance wirelessly. View readings from your PC or mobile device so you know...
£79.95
HI-8014 Budget Priced pH and ORP Meter Hanna
The HI-8014 is a rugged, handheld pH meter specifically designed with ease of use in mind. This affordable meter is ideal for education and field applications and performs pH measurements with Manual Temperature Compensation and ORP measurements. Two-point calibration can be performed with trimmers on the front panel. The set values are stored even when the meter is shut off. This rugged, manual pH meter is perfect for educational purposes and teaching students the fundamentals of pH measurement. Key features Manual...
£367.73
HI-98121 Pocket pH and ORP (Redox) Tester Hanna
Offering users a choice of ORP/Redox and pH measurement combinations, this tester is a popular option for operators carrying out spot checks or testing on location. Designed for use out in the field and in murky conditions, the meter is sealed against humidity, floats in water and has a bright green casing making it easily visible in low light levels.   Key features Dual level LCD screen that displays simultaneous readings Automatic temperature compensation Automatic calibration HOLD function freezes readings for...
£90.00
ph and Conductivity Kit MW710 Milwaukee
MW710 Kit includes: MW100 (pH meter, range: 0.0 to 14.0, with 2 point manual calibration, ±0.2 pH accuracy. Supplied with SE220 double junction pH electrode, 9V battery, 20 mL. pH 7.01 sachet buffer solution and screwdriver for calibration. ) and MW302 (Conductivity meter – range: 0.0 – 10.0 mS/cm with automatic temperature compensation and 1 point manual calibration. Supplied with SE520 conductivity probe, a 9V battery, a 20 mL 1,413 µS/cm sachet buffer solution and screwdriver for calibration.) in hard carrying case.
£342.00
Guardian Monitor Bluelab
In just one glance it magically measures all 3 critical parameters for successful growth; pH, conductivity AND temperature. The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF, pH and temperature, enabling the grower to optimise these parameters as the crop progresses through each growing phase. The Bluelab Guardian Monitor is mains powered and is mounted to the wall or hung on a support and the probes simply placed into the reservoir. With the Bluelab Guardian Monitor monitoring...
£259.95
HI-98196 Multiparameter Waterproof Meter Hanna
Measures pH/mV, ORP, Dissolved Oxygen, Atmospheric Pressure and Temperature HI-98196 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors. A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of languages. HI-98196 allows users to store up to 45,000 continuous or...
£1,350.00
Guardian Monitor Connect Bluelab
Stay connected - monitor, data log, and remotely view pH, conductivity and temperature readings The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there. You can access the data via the cloud from a remote mobile device or computer to check for extreme variances to ensure these critical parameters are hitting the mark for crop success. Just one...
£349.95
HI-9912-2 Proportional pH and ORP Control Hanna
Two separate set points can be adjusted by the user from 6 to 8 pH and 500 to 900 mV. The relays are activated when the pH exceeds or the mV falls below the relevant set point. HI 9912 accepts any pH and ORP electrode ending in a universal BNC connector. Two independent terminals provide for pH and ORP matching pin/ ground probes to extend electrode life and eliminate interference. HANNA's proportional control allows considerable savings by minimising the use of chemicals. The settings are made through independent time cycles adjustable...
£966.59
HI-9126N Waterproof pH/ORP Meter with CalCheck Hanna
The HI-9126N portable pH/ORP includes Hanna's exclusive Calibration Check™ technology. Calibration Check™ monitors the pH bulb and reference junction of the electrode every time the instrument is calibrated. In the event of a dirty pH electrode, Calibration Check™ warns users that maintenance may be needed. This portable meter utilises the HI-1230B double junction pH electrode. The double junction helps to minimise junction contamination for consistently accurate results. The HI 9126 can also measure ORP using optional probes as well...
£762.83
Dosetronic® Nutrient Controller Complete Kit Including Peridoser Bluelab
The Bluelab Dosetronic keeps tight control of your vital nutrient solution levels automatically so you have the freedom to tend to the daily needs of your crop. This is the ultimate answer for accurate and automatic control of EC, pH and temperature in hydroponic systems. The controller is easily programmed with the required values for pH, conductivity and temperature. The dosing intervals are set according to the size of the tank and then it’s ready to go. Bluelab Dosetronic® Nutrient Controller – complete kit including...
£2,964.00
HI-98185 Waterproof pH/ORP/ISE Meter Hanna
The HI-98185 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature. This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm. The HI-98185 also supports 15 different ISE sensors by default and can be calibrated with up to five points and 6 standard buffers...
£1,826.63
Dosetronic® Nutrient Controller Complete Kit Including Solenoids Bluelab
The Bluelab Dosetronic keeps tight control of your vital nutrient solution levels automatically so you have the freedom to tend to the daily needs of your crop. This is the ultimate answer for accurate and automatic control of EC, pH and temperature in hydroponic systems. The controller is easily programmed with the required values for pH, conductivity and temperature. The dosing intervals are set according to the size of the tank and then it’s ready to go. Contents include: Bluelab Dosetronic® Controller Power...
£2,316.00
HI-98191 Professional Waterproof pH/ORP/ISE Meter Hanna
The HI-98191 combines all of the features of a benchtop into a portable IP67 rated waterproof enclosure making them one of the most versatile meters on the market. Designed for universal applications, HI-98191 measures pH/ORP/ISE and temperature. Exchange out the pH probe for an ORP probe to obtain mV readings in the ±2000 mV range. HI-98191 adds direct ion concentration readings for ISEs with a choice of units for calibration and display. A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of...
£1,009.80
HI-981404N Waterproof pH/TDS Meter with Smart Electrode Hanna
The HI-981404N is ideal for agricultural, horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's. This meter is supplied with the HI 1286 replaceable gel filled pH electrode with BNC connector, protected behind a water resistant sleeve. The unique design of the electrode guarantees greater clogging resistance in fertiliser solutions with high concentrations of...
£286.91
MC122 pH Controller Milwaukee
The Milwaukee Instruments "MC" Controllers have a user selectable set point and a visual "Power Activated" LED notification light. Power to the controller box is turned on when the reading is Above or Below ( user selected ) the selected set point. Each unit comes with 12 VDC adapter, mounting kit, probe, probe holder and starter calibration solution for pH. (factory calibrated for ORP) User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter and mounting kit Power plug for CO2...
£516.00
HI-98195 Multiparameter Waterproof Meter Hanna
Measures pH/mV, ORP, Conductivity, TDS, Resistivity, Salinity, Seawater and Temperature. HI-98195 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors. A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of languages. HI-98195 allows users to store up to 45,000...
£1,620.00
HI-981504/5 pH/TDS/Temperature Monitor Hanna
The HI-981504/5-02 offers continuous measurement of pH, TDS and temperature, simultaneously displayed on one display. The HI-1286 gel-filled pH electrode is provided with a water resistant sleeve to protect the BNC connector. The unique design of the electrode provides longer life in aggressive solutions. The HI-7634 TDS probe is easy to clean and requires little maintenance. Measurements are accurate and the meter can be calibrated at one or two points for pH.
£382.50
MW102 Standard Portable pH / Temperature Meter Milwaukee
Standard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements. Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom, laboratory or for general field use. MW102 is a microprocessor based pH/Temperature meter with extended range (-2.00 to 16.00 pH), Automatic Temperature Compensation, automatic calibration in 2 points and ±0.02 pH accuracy. The meter is supplied with pH electrode and calibration solutions.
£345.00
pH Control Dosing Pump
Fully Automated pH Control of Aqueous Solutions The pH control dosing pump from prosystemaqua provides fully automated pH control of aqueous solutions in hydroponic and aquaponic systems. It has been designed specifically for the control of pH in mixing tanks for fertilisation. Its small and precise flow allows for very accurate control of pH levels in your hydroponic system. It comes fully equipped with a complete installation kit including: pH electrode, suction and discharge fittings, suction and discharge pipes, and square pattern...
£240.00
HI-991404 pH/EC/TDS/Temperature Monitor Hanna
The HI-991404 combo meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. This microprocessor indicator continuously monitors the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument. Featuring a large, dual-level, backlit LCD the HI-991404-02 gives you instantaneous reading of pH, EC or TDS and temperature, even from a distance.           At start up, this indicator performs a self-check to...
£329.57
HI-991405 pH/EC/TDS/Temperature Monitor Hanna
The HI-991405 combo meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. This microprocessor indicator continuously monitors the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument. Featuring a large, dual-level, backlit LCD the HI-991405-02 gives you instantaneous reading of pH, EC or TDS and temperature, even from a distance.           At start up, this indicator performs a self-check to...
£329.57
IntelliDose Replacement pH Probe Autogrow
Spare pH probe for the HydroGeneral. Simply plug in and use.
£74.99
HI-993302 EC/TDS/Temperature Grocheck Monitor Hanna
Water resistant and chemically resistant, the HI-993302 has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. This monitor from has a backlit LCD and displays instantaneous readings of both EC or TDS and temperature-even from a distance. The HI-993302-02 features a stability indicator that prompts the user when to take the reading. For manual recording purposes, readings can be frozen on the LCD display by pressing the HOLD...
£169.91
HI-98129 Pocket EC/TDS and pH Tester, Low Range Hanna
The HI-98129 is a waterproof tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter. Main benefits Easy to read display and automatic shut-off pH and EC/TDS readings are automatically temperature compensated EC/TDS conversion factor is user selectable as well as the temperature compensation coefficient Features replaceable pH electrode together with an EC/TDS graphite electrode Calibrate direct into Hanna buffer solution sachets Key features Large LCD...
£233.81
PLANT!T pH Meter PLANT!T
The PLANT!T pH meter is reliable and easy to use. Small and lightweight, it is ideal for any growroom. The PLANT!T pH meter features: The LCD dual display shows pH and tempeature readings Calibration is easy with a one touch autocalibration and can give upto a 3 point calibartion The meter is IP65 waterproof rated
£40.00
Budget pH Meter
Budget pH meter used for measuring the pH of nutrient solution. A budget EC meter is also available here.
£35.00
Waterproof EcoTestr pH 1 EUTECH Instruments
Economical pH measurements is a breeze with the EcoTestr pH 1. Designed for fuss free measurements on the go. the EcoTestr pH 1 is ideal for quick pH measurements in hydroponic gardening, aquaculture and agriculture. Range: 0.0 to 14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH Calibration: Up to 3 points (4.0,7.0 or 10) Auto Buffer Recognition. Non-Volatile Memory: Yes Hold Function: Yes Auto-Off: 8.5 minutes after last key press LCD display 31/2 digit with annunciator Power: 4 x A76/LR44 batteries included Operating...
£55.95
HI-98129 Pocket EC/TDS and pH Tester, Low Range Hanna
The HI-98129 is a waterproof tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter. Main benefits Easy to read display and automatic shut-off pH and EC/TDS readings are automatically temperature compensated EC/TDS conversion factor is user selectable as well as the temperature compensation coefficient Features replaceable pH electrode together with an EC/TDS graphite electrode Calibrate direct into Hanna buffer solution sachets Key features Large LCD...
£233.81
         


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