Stage 2 — Activated Carbon

01 buffer solution packaged in convenient single-use 20 mL sachets

Measurement Range: 0-9990 ppm

Convenient spigot – Easy-pour stainless steel spigot for dispensing

Measures Electrical Conductivity (EC) and Total Dissolved Solids (TDS) — excellent for nutrient solution testing

COM-100 + PH-200 + PH-STOR + C342 PPM COMBO HM Digital PH/TDS/EC Meter MW101 MW102 probe Stage 2 — Activated CarbonCOM 100 COM 100: Waterproof Professional Series EC TDS Meter The COM 100 is a professional grade level 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 electrical conductivity (EC), total dissolved solids (TDS), salinity