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22 Products
pH, EC Meters & Control
Accurate and reliable pH and EC meters from Bluelab, ETI, HM Digital, Eutech and meter calibration solutions and pH adjustment acid's.
Keeping both pH and EC (nutrient strength) levels consistent will enhance every aspect of plant growth and yield. Nutrient strength and pH management information can be found in our FAQ pages.
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2 Variations
Growth Technology pH Down Acid (81%)
pH and EC Solutions£4.95 to £11.99
High quality pH Down acid at 81% strength for reducing pH values in water or feed solutions. A little goes a long way compared to lo...More
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2 Variations
Growth Technology pH Up Acid (25%)
pH and EC Solutions£4.95 to £11.99
High quality pH Up adjustment in a bottle for raising the pH value in water or feed solutions. Features CRC cap for safety. Less concentr...More
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2 Variations
Nutriculture Liquid pH Test kit
pH and EC Solutions£6.50
A simple liquid pH test kit supplied with two bottles of Regent solution and instructions. Narrow range : 6.0 - 7.6 pH Long range : 4...More
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Essentials pH Buffer7 250ml
pH and EC Solutions£3.95
For the calibration of Ph meters to ensure complete accuracy time after time. Recommended to use in conjunction with Buffer 4 for ...More
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ETI/ Trans Instruments TDS & Conductivity Meter (nutrient strength)
Conductivity Meters£43.99
The ETI/ Trans Instruments TDS & Conductivity Meter (nutrient strength) splash-proof meter for Hydroponic nutrient strength test...More
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Essentials pH Buffer4 250ml
pH and EC Solutions£3.95
For the calibration of Ph meters to ensure complete accuracy time after time. Recommended to use in conjunction with Buffer 7 for ...More
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Bluelab Mk2 Conductivity Truncheon (nutrient strength)
Conductivity Meters£86.95
The Bluelab Conductivity Truncheon measures the strength of Hydroponic nutrient solutions. It is essential when growing hydroponics to kn...More
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Essentials CF/EC Calibration Solution 250ml
pH and EC Solutions£3.95
Conductivity standard of 2.76ms used to calibrate EC/ TDS / CF meters. More
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Dutch Pro pH Down Grow
Plant Enhancers (Grow)£7.99
Dutch Pro pH Down Grow for reducing the pH value of your nutrient solution during the growth stage. Use: add small amounts of pH- Grow...More
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ETI pH PAL Plus Meter
pH Meters£45.99
The ETI pH PAL Plus Meter for Hydroponic nutrient and water pH testing. Manufactured by UK specialists ETI (Electronic Temperature Instru...More
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Dutch Pro pH Up
Plant Enhancers (Grow)£7.99
Dutch Pro pH Up for increasing the pH value of your nutrient solution during either the growth or flowering/fruiting stage. Use: add s...More
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Bluelab Meter Probe Care kit - pH & Conductivity
pH Meters£21.99
Everything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes. The instrument i...More
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Dutch Pro pH Down Bloom
Plant Enhancers (Bloom)£7.99
Dutch Pro pH Down Bloom for reducing the pH value of your nutrient solution during the flowering or fruiting stage. Use: add small amo...More
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Bluelab EC Meter (nutrient strength)
Conductivity Meters£69.99
The Bluelab EC Pen is the latest innovation for hand held conductivity meters and the ultimate handy solution for measuring conductivity ...More
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Bluelab pH Meter
pH Meters£82.99
The Bluelab pH Pen is the quality option for hobby and small scale hydroponic growers. Maintaining proper pH levels is key in raising hea...More
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Bluelab Combo pH & EC Meter
pH Meters£215.50
The Bluelab Combo Meter for testing your Hydroponic nutrient pH levels and nutrient strengths. It is a conductivity, pH and temperature m...More
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HM-Digital pH and Temperature Combo Meter
pH Meters£79.79
The HM Digital PH-200 high end Combo pH and Temperature meter. This quality pH meter has a resolution of pH 0.01/ 0.00 - 14.0pH ...More
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HM-Digital EC and Temperature Combo Meter
Conductivity Meters£58.99
The HM Digital COM-100 high end Combo EC and Temperature meter. This quality EC meter measures EC, TDS and temperature and featu...More
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pH & EC/TDS Meter Batteries
pH, EC Meters & Control£2.50
For most pH or EC/TDS meters More
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Replacement HM-Digital EC Sensor
Conductivity Meters£27.50
Replacement HM-Digital EC Sensor for the HM-Digital EC and Temperature Combo Meter More
