COM-300 Waterproof Professional Series pH/EC/TDS/Temp Meter-HM Digital contaminant reduction Stage 1: Ceramic pre-filter removes

Stage 1: Ceramic pre-filter removes sediment and larger particles

Sensor Cable: 24-inch shielded Coaxial Cable

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The Santevia Gravity Water System is an award-winning 5-stage filtration system that removes fluoride

COM-300 Waterproof Professional Series pH/EC/TDS/Temp Meter-HM Digital contaminant reduction Stage 1: Ceramic pre-filter removesThe COM 300 is a professional grade level pH EC TDS Temp meter ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. FEATURES: Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Five scales: pH,