Water Testers

The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab mete...

Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialize...

The Bluelab Calibration Solutions are a very necessary part of a growers toolbox. These solutions are manufactured specific to the calibration proc...

PH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are cali...

Guardian Monitor ‰ÛÒ by Bluelab The simplest and most effective reservoir monitor you could ever own! The Bluelab Guardian Monitor provides 24 ...

The perfect solution to store and hydrate your Bluelab pH products. It is extremely important to care for and store pH probes correctly. pH probes ...

Groline pH 7.01 Calibration Solution is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of A...

GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce ina...

Bluelab Combo Meter   It's all you need for simple and reliable crop management, and it's all within arm's reach! The Bluelab Combo Meter is a cond...

Bluelab Connect Guardian pH, EC and Temperature Monitor Brand: Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductiv...

Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (...

with Hands Free Monitoring and Dosing of Solution  We know pH levels can be the difference between a great crop and well, a disaster. Measuring an...

The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...

Sometimes the more you know the better. And when it comes to managing the pH of your nutrient solution, exact knowledge makes the world of differen...

The Blue lab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are need...

The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. Hydroponic growing lets yo...

high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot ...

The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern look...

GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is ...

Hanna Groline HI981420 Nutrient Monitor The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of p...

The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor...

The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temp...