Hanna Combo pH/EC/TDS/C/PPM Tester spl_allstate happier plants and energy savings

happier plants and energy savings from increased A/C efficiency

Sodium Borate

Self-priming

CO2 and light

Essential oils are harmful to sea life and may cause long term adverse effects to the aquatic environment

Hanna Combo pH/EC/TDS/C/PPM Tester spl_allstate happier plants and energy savingsThis waterproof tester offers high accuracy pH, EC TDS, and temperature measurements all in a single tester! No more switching between meters for your routine measurements. This floating, waterproof combination tester has an easy to read LCD and an automatic shut off. pH and EC TDS readings are automatically temperature compensated. This tester features a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC TDS