pH Monitor & Control
pH Monitor & Control
Product Compare (0)
MW801 Standard Portable pH / Conductivity / TDS Combination Meter
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 solut..
£364.95
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HI-981405N pH/EC Indicator for Agriculture
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..
£379.95
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HI-8424N Handheld Water Resistant pH Meter
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..
£657.95
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pH Controller and Doser MC720
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 ..
£363.95
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HI-9813-5N pH/EC/TDS/°C Portable Meter
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 ..
£401.95
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HI-9813-6N pH/EC/TDS/°C Portable Meter
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..
£401.95
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HI-981406 pH and ORP Indicator
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 rea..
£360.95
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HI-8014 Budget Priced pH and ORP Meter
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 s..
£464.95
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HI-98121 Pocket pH and ORP (Redox) Tester
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 temperatur..
£113.95
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HI-98196 Multiparameter Waterproof Meter
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 i..
£1,707.95
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Guardian Monitor Connect pH/EC/Temp
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..
£407.95
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HI-9912-2 Proportional pH and ORP Control
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..
£1,221.95
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HI-9126N Waterproof pH/ORP Meter with CalCheck
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 ..
£963.95
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Dosetronic® Nutrient Controller Complete Kit Including Peridoser
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 ..
£3,260.95
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HI-98185 Waterproof pH/ORP/ISE Meter
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 senso..
£2,308.95
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Dosetronic® Nutrient Controller Complete Kit Including Solenoids
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 ..
£2,547.95
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HI-98191 Professional Waterproof pH/ORP/ISE Meter
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, gra..
£1,276.95
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HI-981404N Waterproof pH/TDS Meter with Smart Electrode
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 guarant..
£360.95
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MC122 pH Controller
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 Vis..
£567.95
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HI-98195 Multiparameter Waterproof Meter
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, intuitiv..
£2,049.95
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HI-981504/5 pH/TDS/Temperature Monitor
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 f..
£482.95
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MW102 Standard Portable pH / Temperature Meter
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 met..
£379.95
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HI-991404 pH/EC/TDS/Temperature Monitor
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. &nb..
£416.95
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PLANT!T pH Meter
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..
£44.95
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Budget pH Meter
Budget pH meter used for measuring the pH of nutrient solution. A budget EC meter is also available here...
£38.95
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Waterproof EcoTestr pH 1
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 d..
£61.95
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HI-98129 Pocket EC/TDS and pH Tester, Low Range
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 Calib..
£293.95
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HI-98130 Pocket EC/TDS and pH Tester, High Range
The HI-98130 is a water resistant tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter. Key features Automatic 1 or 2 point pH calibration Rubberised keyboard Quick and easy to operate Easy switch between Celsius & Fahrenheit readouts HOLD function Easy to replace pH electrode cartridge with sturdy snap-in connector means there are no pins to bend or break Large LCD display ..
£293.95
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Waterproof EcoTestr pH 2
Economical pH measurements is a breeze with the EcoTestr pH2. Designed for fuss free measurements on the go. the pH 2 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. Automatic Temperature Compensation: Yes Non-Volatile Memory: Yes Hold Function: Yes Auto-Off: 8.5 minutes after las..
£72.95
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Waterproof pHTestr 10
pH measurement has never been easier with the pH Testr 10. Accurate, handy and user friendly, the pH Testr 10 is the best pocket tester in its class. Range: 0.0 to 15.0 pH Resolution: 0.01 pH Accuracy: ±0.01 pH Calibration: Up to 3 points (4.0,7.0 or 10) Auto Buffer Recognition. Automatic Temperature Compensation: Yes Non-Volatile Memory: Yes Hold Function: Yes Auto-Off: 8.5 minutes after last key press (Can be disabled) LCD display: Custom Dual..
£115.95
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HI-991300N pH/EC/TDS/C Handheld Meter
Measuring pH, conductivity, total dissolved solids and temperature in one slim lightweight casing and with one single probe - the HI-991300N is an ideal portable pH tester. There are only 2 buttons, yet you can select from a range of calibration buffers and even the temperature scale most familiar to you. The housing is waterproof and rated for IP 67 conditions. The HI-1288 pre-amplified multiparameter probe features an easy to clean sensor and a cloth j..
£1,098.95
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HI-991301N High Range EC, TDS, pH and °C Meter
The HI-991301 high range meter offers great precision at high range to meet exacting requirements for testing pH, electro-conductivity, total dissolved solids and temperature. Designed for optimum consistency and reproducibility the HI 991301 portable high range conductivity meter offers a great range of user selectable features to deliver greater consistency and reproducibility Different TDS factors ranging from 0.45 to 1.00 Temperature coefficients (ß)..
£1,059.95
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pH PAL Plus pH Tester
The pH PAL Plus tester is a user-friendly and simple to use pH meter that incorporates an automatic calibration feature. At the touch of a button, the instrument will automatically re-calibrate itself when used in conjunction with a 7.00 pH buffer solution. The pH PAL Plus is housed in a water resistant case and features an easy to read 8 mm LCD display indicating pH over the range of 0 to 14 pH with a resolution of 0.1 pH and an accuracy of ±0.2 pH. Thi..
£66.95
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HI-9811-5N pH/EC/TDS/°C Portable Meter
HI 9811-5 is a pH/EC/TDS waterproof meter designed for simplicity in taking pH, µS/cm, ppm (mg/L) and temperature measurements. Both the HI 9811-5 and HI 9812-5 are ideal for hydroponics, greenhouses, farming and ground water applications.. Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperature changes. No probe changes are required when switching your measured parameter between pH, conductivity and TDS..
£468.95
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Waterproof pH55 Pen
Easy to use entry level pH pen. Reads both pH & temperature. The 'easy read' large display and reading hold button make this a great product for beginners. Complete with battery...
£79.95
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HI-9812-5N pH/EC/TDS/°C Portable Meter
The HI 9812-5 is a pH/EC/TDS water resistant meter designed for simplicity in taking pH, µS/cm, ppm (mg/L) and temperature measurements. The HI 9812-5 is ideal for hydroponics, greenhouses, farming and ground water applications. Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperature changes. No probe changes are required when switching your measured parameter between pH, conductivity and TDS. These mult..
£401.95
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pH Tester with 1 Point Calibration pH600
pH600 pH Economical Pocket Tester Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water. Milwaukee provides you with a range of pocket testers that will allow you to measure from very low to very high conductivity solutions. All EC/TDS testers compensate for the temperatu..
£60.95
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Portable pH Meter MW100
Entry level pH meter, with large easy read digital display. Complete with manual temperature adjustment and 9V battery...
£172.95
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Water Proof pH Meter
Fully water proof meters shown above, definitely worth the extra initial outlay...
£66.95
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Bluelab pH Controller Connect - Monitor & Doser
Clever monitoring, dosing and data logging of solution pH levels. Made easy. Sometimes the more you know, the better. And when it comes to managing the pH of your nutrient solution, exact knowledge makes a world of difference. Our brainy pH controller connect constantly monitors and fine-tunes the pH levels for you. But more than that, it wirelessly data logs to your computer too, putting continuous information at your fingertips. Use the data to make sy..
£635.95
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Smart Continuous pH Monitor MC110
The MC Monitors are designed to continuously monitor pH, EC or TDS values directly in your reservoir. Each unit features a user selectable set-point. An LED visual alarm is activated and flashes when the pH, EC or TDS level rises either Above or Below (user selected) that set-point. All these instruments run on a 12V adapter so there's no need to worry about failed batteries and each unit comes with mounting kit, probe, probe holder and starter calibratio..
£188.95
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Waterproof pH/EC PCTestr 35
Basic multi parameter measurements on the go is so easy! Eutech's Testr 35 multi-parameter series allows you to measure pH conductivity and temperature with just one handy instrument. Made to fit your pocket both in size and budget. pH Range: 0.0 to 15.0 pH pH Resolution: 0.1 pH pH Accuracy: ±0.1 pH EC Range: 0.0 to 199.99uS/200/1999uS/2.00mS to 20.mS EC Resolution: 0.1uS/1uS/0.01mS EC Accuracy: ±0.1 % Temperature coefficient: 0.0 to 10.0%/Degree ..
£171.95
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Sensor for Eutech Waterproof PCTestr 35
Replacement pH/EC/Temp Sensor for PCTestr 35...
£57.95
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Bluelab Combo Meter
It’s all you need for simple and reliable crop management and it’s all within arm’s reach! The Bluelab Combo Meter is a pH, conductivity and temperature meter all in one. The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and..
£250.95
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Replacement Soil pH Probe
The Bluelab pH Probe is a replacement pH probe suitable for use with Bluelab products that use a BNC fitting. pH probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip moist and cleaning once a month) you will extend its life. The Bluelab pH Probe has a double junction reference providing longer life and is a gel filled non-refillable probe so is maintenance free. Features Ea..
£102.95
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MW802 pH & Conductivity Combination Meter
3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe! The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too acidic or alkaline can have an adverse effect on plant nutrient and water uptake and directly effect the efficiency of fertilizer, herbicides and pesticides. Soil Cond..
£363.95
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pH / Conductivity / Temperature Professional Portable Meter MI806
Mi806 pH / Conductivity / TDS / Temperature Professional Portable Meter Measures 4 parameters with 1 single probe. Mi806 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 differe..
£647.95
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pH Meter for Soil MW101-Soil
Entry level, inexpensive pH/ORP/Temperature Portable Meter for fast and reliable results. This handy and ergonomically designed portable meter is ideal for anyone working on a low budget and still requires fast and reliable measurements. This portable meter is suitable for a wide range of applications, such as Educational, Agriculture and Horticulture, as well as water and environmental analysis. This easier and faster to calibrate portable meter have a..
£172.95
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pH Test Kit - Narrow Spectrum
Our ESSENTIALS pH Test Kit is good for 150 tests. At a rate of 3 tests per week, it will last one year. This makes it excellent value for money. Covers a pH range of 5.6-7.4 measuring in 0.2 increments...
£4.95
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pH Test Kit - Wide Spectrum
Our ESSENTIALS pH Test Kit is good for 150 tests. At a rate of 3 tests per week, it will last one year. This makes it excellent value for money. Covers a pH range of 4-8.5 measuring in 0.5 increments...
£4.95
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pH Water and Drop Resistent Meter
The Essentials pH meter is truly the most rugged glass type pH tester around. It is water and drop resistant. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds...
£48.95
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Bluelab pH Controller
Hands-free monitoring and dosing of solution pH levels. Simple. We know pH levels can be the difference between a great crop and well, a disaster. Measuring and adjusting nutrient solution levels constantly can be time-consuming. And let’s face it; you have better things to do. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it, and forget. The pH is taken care of. So you can relax… Features ..
£594.95
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Replacement Probes for COM-100 & PH-200
Replacement sensor probes for the high end COM-100 and pH-200 meters...
£33.95
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PH-80 PH/Temp Meter - Value pH Meter
Measures EC, TDS and temperature. Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl). Automatic temperature control (ATC) using three temperature co-efficiencies. High-end EC meter Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl) Automatic temperature control (ATC) using three temperature co-efficiencies Digital calibration (push button) to any point within the meter’s range Auto-off functi..
£63.95
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Bluelab pH Pen
The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen is the latest innovation for hand held meters. It provides a compact quick and handy way to manage the success of your crops to ensure maximum uptake of nut..
£92.95
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8000 pH Meter & Interchangable Electrode
The 8000 pH meter features an easy to read, LCD display and is supplied with a general purpose combination glass electrode. The 8000 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and an accuracy of ±0.05 pH. The pH readings are manually temperature compensated over the range of 0 to 60 °C (default 25 °C). The unit will power off automatically after ten minutes, maximising battery life. At the touch of a button, the inst..
£88.95
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8100 pH and Temperature Meter Kit
The 8100 pH and temperature meter features an easy to read, LCD display and is supplied as a kit which includes a 8100 pH meter, general purpose combination glass electrode, temperature probe, 4.01 and 7.00 pH buffer solutions and carrying case. The 8100 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and temperature over the range of 0 to 99.9 °C with a resolution of 0.1 °C. The pH readings are automatically temperature co..
£178.95
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Soil/Substrate pH meter S300 Pro 2
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..
£220.95
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Bluelab pH Meter
When measuring the pH of a solution is important… reach for the Bluelab pH Meter. The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops’ daily nutrient requirements. Calibrati..
£247.95
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Replacement pH Probe
The Bluelab pH Probe is a replacement pH probe suitable for use with Bluelab products that use a BNC fitting. pH probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip moist and cleaning once a month) you will extend its life. The Bluelab pH Probe has a double junction reference providing longer life and is a gel filled non-refillable probe so is maintenance free. Features Ea..
£65.95
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Probe Care kit - pH
The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Probe cleaning and correctly storing pH probes ensures you get the most accurate readings possible and will maximize the life of a probe. The probe surface is where the instrument takes the reading of the solution or soil/media. If the probe face is dirty or contaminated, the readings may be inaccurate. Much like t..
£17.95
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pH-Stor
Prolong the life of the pH-80, pH-200 and other brands of pH meter by adding a few drops of pH-STOR to the sponge in the meter cap. Contains fungicide and sterilising agents...
£9.95
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Meter Store - 30ml (including meter sponge)
It's difficult to exaggerate the importance of maintenance and storage solutions. Expensive equipment is often utilised well below its full capabilities due to lack of proper maintenance of sensors. pH probes should always remain in Meter Store when not in use to prevent the probe from drying out. With Essentials Meter Store, keeping pH probes in tip top condition is no longer a problem. Includes probe foam to cut to the size of your meter cap to assist in..
£4.95
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Bluelab pH Calibration Solution
Prolong the life of the pH-80, pH-200 and other brands of pH meter by adding a few drops of pH-STOR to the sponge in the meter cap. Contains fungicide and sterilising agents...
£11.95
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pH Buffer 4
Use ESSENTIALS Buffer 4 solutions to calibrate pH meters. All calibration solutions should be at room temperature for successful and accurate calibration...
£5.95
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pH Buffer 7
Use ESSENTIALS Buffer 7 solutions to calibrate pH meters. All calibration solutions should be at room temperature for successful and accurate calibration...
£5.95
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ph Buffer 4
Solution of a known and fixed pH of 4. Used to calibrate your pH meter. This should be done on a regular basis to ensure ongoing accuracy from the meter...
£5.95
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ph Buffer 7
Solution of a known and fixed pH of 7. Used to calibrate your pH meter. This should be done on a regular basis to ensure ongoing accuracy from the meter...
£5.95
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Bluelab Connect Range Extender
Boost the range between Bluelab Connect products. The Bluelab Connect Range Extender is required if you need to boost the signal range for wireless monitoring of your crop. Simply plug into a power supply to use when there is a longer distance to cover between Bluelab Connect devices and the Bluelab Connect Stick. For extra-long distances multiple Connect Range Extenders can be used. Features International Power Supply included (may differ from image..
£171.95
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Bluelab Connect Stick
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 ..
£87.95
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Bluelab Grower's Toolbox
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 n..
£164.95
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Bluelab Guardian Monitor
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..
£352.95
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Economy Solenoid Valve wired for Mini Doser
These are great little machines aimed at the budget conscious and those who don't need a computer interface. Ideal for hobby gardeners, schools, etc. Even large commercial growers use them - particularly for water pre-treatment (pH) or if they have a trial area with a number of reservoir tanks. The new Mini Doser can work in units of EC, CF or TDS. The complete kit comes with a sensor and two economy solenoid valves pre-wired on a small panel...
£76.95
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HI-991405 pH/EC/TDS/Temperature Monitor
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. &nb..
£415.95
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HI-993302 EC/TDS/Temperature Grocheck Monitor
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,..
£213.95
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IntelliDose
Feature packed This hydroponic doser sets a new benchmark in the small dosing controller market. The Intelli-Dose is absolutely feature packed to enable it to cope with just about any hydroponic system. Just take a look at the specification overleaf. Simple to operate The secret to its simplicity is that the controller can be configured to suit various systems and when this is done all of the irrelevant settings disappear from the..
£2,228.95
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IntelliDose Replacement pH Probe
Spare pH probe for the HydroGeneral. Simply plug in and use...
£82.95
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Intellidose Single Peristaltic - Medium Duty
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...
£264.95
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Intellidose Twin Peristaltic - Medium Duty
A twin set of affordable, highly accurate dosing pumps for use with the AutoGrow IntelliDose and both of the AutoGrow Mini Dosers (EC and pH)...
£352.95
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MiniDoser pH Complete Kit
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 dosi..
£957.95
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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 s..
£120.95
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ph and Conductivity Kit MW710
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 ..
£376.95
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pH Control Dosing Pump
Please see new version, this version is no longer available. 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 e..
£264.95
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pH Test Kit (liquid)
Simple to use pH test kit. Up to 400 tests. pH range 4-11. Includes Test vial Test liquid Colour chart..
£5.95
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PH-200 - High End Waterproof pH/ Temp Meter
Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration.Includes a 7.0 pH buffer powder packet and a dropper of KCI electrode storage solution. High-end PH meter Resolution: pH: 0.01 pH, 0.00 – 14.0 pH Accurate to +/- 0.02 pH Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration Low battery indicator Replaceable probe Clear cap to notice moisture(or lack of) on probe Glass encased ..
£111.95
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Replacement Mini Doser Sample Pot With Adaptors
These are great little machines aimed at the budget conscious and those who don't need a computer interface. Ideal for hobby gardeners, schools, etc. Even large commercial growers use them - particularly for water pre-treatment (pH) or if they have a trial area with a number of reservoir tanks. The new Mini Doser can work in units of EC, CF or TDS. The complete kit comes with a sensor and two economy solenoid valves pre-wired on a small panel...
£76.95
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Soil pH Meter
If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH4.0 and pH 7.0 calibration solutions, plus a helpful Quick Start guide. Make a hole in the media using the dibber to ensure it is free from coarse particles. Place the soil pH probe into the hole for a direct pH measurement. Soil pH can also be measured by taking soil solut..
£175.95
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