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

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...

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

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...

Impossibly tough, an EC meter built to last a lifetime    Measure up to 3.6 EC, 36 CF, 1800 ppm 500 or 2520 ppm 700 Robust and reliable constructi...

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...

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 ...

Hy-Gen pH Liquid Dropper Test Kit – Accurate & Easy pH Testing for Hydroponics Maintaining the perfect pH balance is essential for healthy pla...

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...

Boost accuracy with regular cleaning  How to care for your Bluelab EC products If you want to ensure the ongoing accuracy of your Bluelab conductiv...

pH, EC and temp meter P110 Pro 2 The Combo Pen P110 Pro 2 stands as the ultimate digital handheld meter for measuring pH, EC, and temperature of li...

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

A robust handheld solution for measuring conductivity and temperature on the go Fully waterproof, not just water-resistant Selectable measuremen...

P160 Pro2 pH, EC, TDS, PPM, and Temp meter P160 Pro2 pH, EC, TDS, PPM, and Temperature Meter – More accurate, clearer, and even more advancedThe Co...

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

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...

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

EC Calibration solution of 1.413 Specifically designed for use with Aquamaster Pens. Available in 20ml and 100ml.

AZ Waterproof EC pens raise the bar in ease of use, reliability, function and price point. AZ meters provide a big IP65 LCD screen with dual EC and...

This replaceable pH, EC, PPM, TDS, and temperature electrode is suitable for the P160 Pro combo pen. The electrode is IP67 waterproof when attached...