SHOW FILTER (15)
pH Down
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Growth Technology pH Down is a stable solution of 81% phosphoric acid. It is used to lower the pH of your nutrient solution. It is a very concentrated product and a little goes a long way. How To Use pH Down Always...

From £5.95
1 REVIEW
pH Buffer 7
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Used to check and calibrate pH meters. Buffer 7 is a solution with a stable pH value of 7. To use pour out a little of the liquid into a cup and then follow the calibration guidelines of your pH...

£3.50
Bluelab pH Pen
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New
-12%

All the quality you would expect from a Bluelab product in a handy pen form. The Bluelab pH Pen is an ultra-reliable and fully waterproof handheld pH meter. It can quickly and accurately measure the pH and temperature of your...

£99.95£88.95
3 REVIEWS
pH Up
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Growth Technology pH Up is a stable solution of 25% potassium hydroxide. It is used to raise the pH of your nutrient solution. It is a very concentrated product and a little goes a long way. How To Use pH Up Always add pH adjustments...

From £4.95
Bluelab Nutrient Truncheon
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New
-17%

The Bluelab Truncheon has continued to prove itself as the best nutrient meter on the market. This ultra tough device is built to last a lifetime. It can measure your conductivity in a range of easy-to-read formats. It's 'long' design is perfect for stirring...

£99.95£83.95
1 REVIEW
Aqua Master Tools P50 Pro pH & Temperature Meter
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Another premium quality nutrient measuring meter from Aqua Master Tools. The P50 pH Meter will accurately measure both the pH and temperature of your water in 0.1 increments. The meter compensates for temperature when measuring so you can rest assured...

£52.95
1 REVIEW
BioBizz Bio pH Down
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Designed for the organic grower to safely lower the pH of the nutrient solution without risking any harm to microbes and other beneficials which can occur when using products such as Phosphoric Acid to alter the pH. Bio Down is an aqueous solution of citric acid, found naturally in citrus...

From £10.95
2 REVIEWS
pH Buffer 4
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Used to check and calibrate pH meters. Buffer 4 is a solution with a stable pH value of 4. To use pour out a little of the liquid into a cup and then follow the calibration guidelines of your pH...

£3.50
pH Test Kit
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A simple and economical way to measure the pH of your nutrient reservoir or watering can. The kit gives a visual indication of the pH of water between a range of 5.6-7.4 and contains enough for around 150 tests. To...

£4.95
EC/CF Calibration Fluid
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Used to check and calibrate nutrient conductivity meters. We offer two different solutions to cater for the requirements of most meters. 1.4m/S has a stable EC level of 1.4 and 2.8m/S has a stable EC level of 2.8. To use pour out...

From £3.50
Hobby pH Meter
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A great entry level pH meter, perfect for those on a budget or that just need a short term solution for measuring their pH. The Garden King pH Meter is very easy to use, simply turn the meter on and...

£19.95
pH Probe Refill & Storage Solution
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New

pH probes can dry out when stored and this can have a seriously detrimental effect to their accuracy and lifespan. This easy-to-use solution helps to maintain your pH probes accuracy and lifespan especially when your meter is not in use....

£5.95

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