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

The DPD (N

Value:  7

reagent packets

Balanced pH: Helps maintain optimal body pH levels

HM Digital COM-300L pH EC TDS Meter - Waterproof 5-in-1 Professional Tester MA872 Light-block foil packaging – UV-resistantProfessional 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,