tool-free replacement

O3 ozonizers and other pH & ORP control devices by simply plugging the device into the correct pH or ORP outlet

Power Source: AC 110 V – 220V / Rechargeable Lithium Ion Battery

Scrub them with a scour pad (no soap) and clean water

Monitor must pH during fermentation

HM Digital COM-100 Waterproof EC/TDS & Temperature Meter survival water filter tool-free replacementHM Digital COM 100: Waterproof Professional EC TDS Temperature Meter The COM 100 is a professional grade EC TDS Temperature meter engineered for precision water quality testing across demanding applications from hydroponics and aquaculture to laboratory analysis, water purification, pools, spas, and industrial water treatment. Key Features Measures Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity, and Temperature 4 Measurement