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Replaceable double junction pH probe included
reinforced nylon fiber feet
This ready-to-use powder-like insecticide can be applied to cracks and crevices -- places where insects spend most of their time
4x4 Mat Kit – preset 5" sensor with pilot pot (includes 50 non-woven 1 gallon pots)
HM Digital Hydromaster Portable - pH/TDS/EC/Temp The Soil Makers Replaceable double junction pH probeDescription 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
