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

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 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...

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...

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

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...

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. 

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

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 ...

PH-80   PH-80: pH HydroTester Series The PH-80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such a...

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...

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

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

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

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...

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...

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

Always On. Being There Optional. Monitor your reservoir pH, Conductivity and Temperature with alerts on your phone when using the Wi-Fi capable Blu...

This replaceable pH, EC, and temperature electrode is suitable for the P110 Pro combo pen. The electrode is IP67 waterproof when attached onto the ...

P160 Pro pH, EC, TDS, PPM, and Temp meter The Combo Pen P160 Pro stands as the top-tier, user-friendly digital handheld meter from AquaMaster, equi...

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

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...

The P50 Pro pH Temp meter, designed for various industries, serves as the optimal handheld digital device for assessing the pH and temperature a va...

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

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

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

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 Bluelab Dosetronic Conductivity Probe is specifically used with Bluelab Pro Controllers. It cannot be used or connected to any other Bluelab ...

P700 Pro 2 combo meter pH, EC, CF, PPM, Temp. The P700 Pro 2 Combo meter provides uninterrupted monitoring, ideal for gauging the pH, EC, CF, PPM, ...

For reliable & fast pH readings "Unlike electronic pH meters, there is NO complex or costly maintenance required with the pH Test Kit"Retaile...

Currently at $1980 (Special Launch Campaign Price - Limited Time Only!) LazyGrow is the auto-doser that saves you time by automatically monitoring,...

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