Calibrate regularly to maintain accuracy

How do I clean & store the Black Berkey Primer™

Perfect for hydroponics

valued for their mechanical reliability

Dye-Free Formulation

Milwaukee MW306 MAX EC/TDS/Salinity/Temp Data Logger | IP67 Waterproof Meter redox probe Calibrate regularly to maintain accuracyMilwaukee MW306 MAX Waterproof EC TDS Salinity Temp Data Logger: Professional 4 in 1 Conductivity Testing The Milwaukee MW306 MAX is a professional grade 4 in 1 conductivity meter that measures electrical conductivity (EC), total dissolved solids (TDS), salinity (NaCl), and temperature with exceptional 1% accuracy. Featuring IP67 waterproof construction and advanced data logging capabilities, this meter is the professional choice for hydroponics,