Electronic pH Testers

Continuous Monitoring

Milwaukee 3-n-1 Meters are the most accurate and reliable continuous meters on the market. They tell you the Ph EC and TDS with a touch of a button. 

Hanna ph 7 Calibration Solution for use in calibrating ph testers.

General Hydroponic ph Calibration Solution is all you need for one point calibration of their ph meter. They simply dip the probe in a small amount of the solution, adjust the meter to read 7.0 and they're ready to go.