PLEASE NOTE:pH Down is classed as a dangerous good which attracts extra freight charges by our couriers.Please select the "Dangerous Goods Shippi...

PLEASE NOTE:pH Up is classed as a dangerous good which attracts extra freight charges by our couriers.Please select the "Dangerous Goods Shipping...

Hy-Gen Calibration solution comes in 2 types, 4.0 and 7.0 Hygen pH Buffer is the upper calibration point in the "two-point" calibration of electron...

HY-GEN COMPLETE pH KIT HY-GEN® COMPLETE pH KIT is an easy and accurate way to keep track of the nutrient solution pH with the added ability to adju...

Easy to use PH test kit to keep your plants at their best and always handy to have as a backup.

Buffer CF 2.76 250ml, a great solution for checking the accuracy of your EC Pens!

Hy-Gen Calibration solution comes in 2 types, 4.0 and 7.0 Hygen pH Buffer is the upper calibration point in the "two-point" calibration of electron...

HY-GEN® is the mark of guaranteed quality. All calibration and care solutions are made using high quality analytical grade constituents. All formul...

It is recommended that the electrodes be cleaned regularly with HY-GEN® PROBE CLEANER solution. It is recommended that you clean your meter before ...