pH & TDS Testers & Monitors

The Bluelab® Leap™ pH Probe is suitable for use with all Bluelab® products that use a BNC connection.

General Hydroponics pH Test Kits make pH testing easy.   Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...

Everything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes.The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth...

As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops' daily nutrient requirements.It is easy to calibrate by using the push buttons on the meter and fresh Bluelab...

General Hydroponics pH Test Kits make pH testing easy.   Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...

pH Test Strips are quick and easy to use. Just touch a strip to your nutrient solution, and match the color of the strip to the color chart. Works in seconds. They come with about 100 strips per vial.

Milwaukees most affordable pH 600, full range pH meter with a range from 0.0 - 14.0 ph. Milwaukees economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the...

The pH Control Kit by General Hydroponics provides everything you need for testing the pH level of the nutrient solution in your hydroponic system. pH control is essential for stimulating vigorous plant growth. Vital elements in nutrient solution having...