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...

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

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

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

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

Nutrient Tubing (Black) suitable for Bluelab PeriPod 

Professors Organic pH Down is designed to decrease the pH level in your nutrient solution. If the pH is not sitting within acceptable range, you ar...

Professors Organic pH Up is a carefully formulated pH adjusting solution designed to optimize the pH level in your soil or hydroponic system. Ensur...