Conductivity, pH, care and calibration – in one box Everything you need to measure pH, conductivity and temperature Handheld design is compact...

pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading. pH measuring equipment is calibrated ...

pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading. pH measuring equipment is calibrated ...

A hardy, compact pH and temperature pen Perfect for quick and easy pH and temperature readings direct from your solution Fully waterproof - not ...

Improve longevity with KCl How to care for your Bluelab pH products Your pH probe is a sensitive glass instrument that ages through everyday use. I...

This probe is compatible with all Bluelab products with a corresponding BNC connector, such as the Combo Meter and Guardian Monitor. Dependable d...

24/7 control of your reservoir pH, conductivity, and temperature anywhere, anytime from your phone Built-in Wi-Fi (with option to disable) Monit...

The World’s favourite conductivity meter. Simply brilliant, brilliantly simple! It is essential when growing with a hydroponic solution to KNOW w...

Flairform's PH Down is made from Citric Acid, and allows you to adjust the pH level of your nutrient solution. 

EC Calibration solution used to calibrate your Aquamaster EC Pen!

The waterproof pH meter is ideal for all EC testing, temperature testing, water purification applications, wastewater regulation, aquaculture &...

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

PLEASE NOTE: Hy-Gen pH DOWN and UP are classed as dangerous goods, and as a result we can only offer Click & Collect or Local Delivery. An alte...

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 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: Hy-Gen pH DOWN and UP are classed as dangerous goods, and as a result we can only offer Click & Collect or Local Delivery. An alt...

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: Hy-Gen pH DOWN and UP are classed as dangerous goods, and as a result we can only offer Click & Collect or Local Delivery. An alt...

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...