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4x4 Mat Kit – preset 5" sensor with pilot pot (includes 50 non-woven 1 gallon pots)
bare-root stock and newly potted plants
Lower Cost
Replaceable double junction pH probe included
ensuring optimal growing conditions for your plants
HM Digital Hydromaster Portable - pH/TDS/EC/Temp The Soil Makers 4x4 Mat Kit – presetDescription HM 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 and scientific testing, pools and spas, ecology testing, boilers and cooling towers, water treatment and more. Features Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved
US$ 112.00
US$ 24.95
US$ 45.90
US$ 37.90
US$ 37.95
