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pH 7.00 Calibration Solution 100ml
100 ml pH 7.00 Calibration Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C...
£5.95
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pH 4.01 Calibration Solution 100ml
100 ml pH 4.01 Calibration Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C...
£5.95
Ex Tax:
CalMag 1L
Organic Soluble Calcium Plus Ample Levels Of Magnesium Getting a soluble form of calcium and magnesium for organic growing is tough. A lot of the products on sale for conventional growers are based on synthetic chemicals and chelates. Plus, most of the organic calcium products are insoluble powders (e.g. lime and gypsum). Organic Cal-Mag utilizes a a unique manufacturing process to combine organically approved ingredients into one fully soluble liquid pro..
£30.95
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Magne-Cal+
Magne-Cal + is an excellent product to accompany any of the premium PK boosters on the market today. Magne-Cal + works alongside the PK to aid with the uptake of these vital elements as well as giving the plant a surge of trace elements. Enhance the performance of any PK booster Prevent nutrient lockout NO more Mg or Ca deficiencies Give your plants a boost of trace elements As the demand for Phosphorus and Potassium increases so does the demand f..
£8.95
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Hanna opdo™ Optical Dissolved Oxygen Meter HI-98198
The HI-98198 opdo™ meter is a rugged, portable dedicated dissolved oxygen (DO) meter designed for fresh and saltwater measurements of dissolved oxygen. This professional, waterproof meter complies with IP67 standards. This professional, waterproof meter complies with IP67 standards and measures DO, barometric pressure, and temperature. The HI-98198 is supplied with a HI-764113 digital optical dissolved oxygen probe in a custom thermoformed durable carryi..
£2,356.95
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Hanna pH/EC/TDS and Temperature Portable Meter with CAL Check HI-9813-61
This meter features a large LCD which displays either pH, EC, TDS or temperature readings along with tutorial instructions. The pH readings are displayed with a 0.1 resolution and an accuracy of ±0.1 pH while the EC and TDS readings are displayed with a 0.01 mS/cm and 1ppm (mg/L) resolution and 2% full scale accuracy. The EC range of both meters is from 0.00 to 4.00 mS/cm and TDS is from 0 to 1999ppm. The temperature correction coefficient (β) is fixed at ..
£324.95
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Evoponic Magi-Cal Extra
Plant-sourced amino acids, humates, lignins and sugars to enhance yield, health and flavour. Magi-Cal Extra is a unique high-strength formula based on advanced scientific techniques that have a plant-strengthening effect, rapidly eliminating deficiencies without risk of overdose. A safe, natural material that’s based on plant extracts – without artificial PGRs (should be acceptable for Organic certification). Its Biostimulant components enhance the anti..
£13.95
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5L BioGreen Calgel *SALE*
Only 5 Available - Was £124 - Now £105.40 Calgel is a high-quality plant fertilizer containing all macro and micro nutrients required for growth and bloom in any medium. Improves the absorption of nutrients at the root; Assures a tangible strengthening and toughening of the top; Assures a measurable increase in the mass of the end product; Sufficient magnesium for optimal chlorophyll and protein synthesis; Consists only of the purest raw materials...
£115.95
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Ex-Demo OptiClimate Compact Vertical Water Coolers
Ex-Demo - 1 Hour of Use - 2 Available Brand new price: £3111.48 Ex-Demo price: £2489 Small and lightweight water chiller, ideal for small spaces in residential and commercial buildings. OptiClimate Compact Ultra Vertical Water Cooler Specifications: Capacity: from 4 to 53 kW Tube diameter:3/8" smooth inner surface (S) and grooved inner surface (R) Fin spacing:2,1 mm Fan motor diameters:350 mm - 4 and 6 poles Available number of fan motors:from 1 ..
£2,737.95
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Essentials PLUS CALMAG
Essentials PLUS CALMAG is a calcium and magnesium supplement with added iron and nitrogen It is an essential additive for plants during prolonged vegetative growth or when deficiency is observed. Calcium is important for strong cell walls and root development, plant processes and photosynthesis. Magnesium is important for plant growth and health and is a building block for chlorophyll. Iron acts as an enzyme cofactor and is important for photosynthesis. A ..
£8.95
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Bluelab 2.77 EC Standard Solution
Conductivity standard solutions - a must in every grower's toolbox. Improve EC/PPM accuracy with regular cleaning.How to care for your Bluelab EC productsIf you want to ensure the ongoing accuracy of your Bluelab conductivity products, we recommend that you clean and test them on a regular basis.All our conductivity pens and meters are factory calibrated, so you won’t need to recalibrate them. Instead, you should clean your Bluelab EC probe and then use Bl..
£10.95
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Essentials LAB EC Meter Calibration Solution 250ml
Essentials LAB EC Meter Calibration Solution is intended for use in calibrating EC meters to CF 28 – EC 2.80 – PPM 1820. Regular calibration will keep your EC Meter reading accurately. Highly accurate calibration solution Ensures that your EC Meter is reading correctly Technical Specifications: Potassium Chloride solution Electrical Conductivity: 2.8ms/cm @20°C PH 4 - 5 FAQs: Q: When should I calibrate my EC meter, an..
£4.95
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GE Lucalox 600W Lamp
The G.E Lucagrow HPS 600W lamp offers a complete natural light substitute. With a long life of up to 28 500 hours the lucagrow high output lamps give up to 20% more light than standard high pressure sodium lamps. The Lucagrow lamp maintains 90% light output over the life of the lamp and is fully interchangeable with other HPS lamps. The 600W Lucagrow lamp will put out 90 000 lumens with a colour temperature of 2000K...
£26.95
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OG Sensi Calmag Xtra
Unleash a Sea of Green with OG Organics™ Sensi Cal-Mag Xtra® Take the guesswork out of your grow room’s deficiencies with OG Organics™ Sensi Cal-Mag Xtra®. We’ve designed this OMRI and CDFA-OIM certified formula with optimal ratios of nutrients your plants should absorb, so they can work on rewarding you with a bountiful, high-value harvest. Bolstered with iron, kelp, and other micronutrients, this additive is a must-have for growers who w..
£37.95
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Magna Cal Mag
Magna Marta Cal Mag is known as a secondary nutrient as plants need them in smaller quantities. As LED’s are becoming more popular, we are seeing the need to add Cal-mag at the top end. Magnesium is in the heart of the Chlorophyl molecule, it is what helps drive photosynthesis in plants, without it plants cannot capture the suns energy needed to produce Glucose. Magnesium gives plants their lovely green colour and is also used to metabolise carb..
£14.95
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