The DiST® 5 is unmatched for EC

Light-block foil packaging – UV-resistant packaging prevents solution degradation and maintains quality

1/2" Threaded Fitting: For insertion into in-line "T" fitting or flow cell

Hydroponics: Nutrient Solution Management

Balanced pH: Helps maintain optimal body pH levels

HM Digital COM-300L pH EC TDS Meter - Waterproof 5-in-1 Professional Tester MA872 The DiST® 5 is unmatchedProfessional 5 in 1 Waterproof pH EC TDS Salinity Temperature Meter The HM Digital COM 300L is a professional grade waterproof combo meter that measures pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity, and Temperature in a single rugged instrument. With IP 67 waterproof rating, digital calibration, and replaceable probe technology, this meter delivers lab quality results for hydroponics, water treatment, aquaculture, pools,