HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor hawthorne Growers producing large volumes of

Growers producing large volumes of cuttings or plugs

Data Logging: Track environmental data for performance and planning

This kit includes 4-layer ducting

1500 sq ft attraction range

Lettuce - Butter Crunch - 750mg (avg 615 seeds)

HM Digital HM-100 Continuous pH/EC/TDS/Temp Monitor hawthorne Growers producing large volumes ofThe HM 100 is a pH EC TDS Temp monitor 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 Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature Four scales: pH, mS, ppm 0. 5 (NaCl)