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Test drench or spray for Phytotoxicity on a small area of the soil or plant before use
glue or tools and form a tight
Requires 2 AA batteries
Gusseted Base
HM Digital Hydromaster Portable - pH/TDS/EC/Temp Grow Tent Test drench or spray forHM 200: Portable pH EC TDS Temp Monitor The HM 200 is a versatile portable 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),
US$ 10.34
US$ 10.34
US$ 38.18
