Milwaukee M10031B 1413 µS/cm EC Calibration Solution – 25 Sachets | NIST Traceable | Hydroponics MW102 probe Durable hard shell exterior —

Durable hard shell exterior — resists impacts

Healthier drinking water: Reduces harmful contaminants while retaining beneficial minerals

The Milwaukee MW105 MAX Waterproof 3-in-1 pH/OPR/Temp

Calibration: Manual 1-point for pH & EC

Screw new filter snugly into cap

Milwaukee M10031B 1413 µS/cm EC Calibration Solution – 25 Sachets | NIST Traceable | Hydroponics MW102 probe Durable hard shell exterior —Professional 1413 S cm Conductivity Calibration Solution for EC TDS Meters The Milwaukee M10031B is a lab grade 1413 S cm conductivity calibration solution designed for accurate calibration of EC (electrical conductivity) and TDS (total dissolved solids) meters and testers. With 25 individually sealed 20mL sachets, this NIST traceable potassium chloride solution ensures fresh, uncontaminated calibration every time for optimal meter accuracy in