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18 Products
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.
2 Variations
£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
2 Variations
£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
2 Variations
£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
£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
£52.99 / £59.99 SALE
The ETI/ Trans Instruments TDS & Conductivity Meter (nutrient strength) splash-proof meter for Hydroponic nutrient strength test...More
£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
£86.95
The Bluelab Conductivity Truncheon measures the strength of Hydroponic nutrient solutions. It is essential when growing hydroponics to kn...More
£3.95
Conductivity standard of 2.76ms used to calibrate EC/ TDS / CF meters. More
£45.99 / £52.99 SALE
The ETI pH PAL Plus Meter for Hydroponic nutrient and water pH testing. Manufactured by UK specialists ETI (Electronic Temperature Instru...More
£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
£8.99
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
£69.99
The Bluelab EC Pen is the latest innovation for hand held conductivity meters and the ultimate handy solution for measuring conductivity ...More
£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
£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
£71.00
The HM Digital COM-100 high end Combo EC and Temperature meter. This quality EC meter measures EC, TDS and temperature and featu...More
2 Variations
£7.95 to £15.95
Intense Nutrients Down N’ Dirty will bring the pH of your nutrient solution down whilst also preventing mineral deposits within res...More
£31.95
Replacement HM-Digital EC Sensor for the HM-Digital EC and Temperature Combo Meter More
£2.50
For most pH or EC/TDS meters More