HM Digital Pro Series Pen style pH/TDS/EC/Temp meter Water Pumps & Irrigation Supplies Customer Support: Our mastery extends

Customer Support: Our mastery extends to the growth of thousands of different types of plants with our lights

disease-free mother plant directly beneath the node at a 45 degree angle

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and other heavy metals commonly found in municipal tap water

created to provide fruit enthusiasts with a unique and exciting addition to their orchards

HM Digital Pro Series Pen style pH/TDS/EC/Temp meter Water Pumps & Irrigation Supplies Customer Support: Our mastery extendsDescription COM 300: Waterproof Professional Series pH EC TDS Temp Meter The COM 300 is a professional grade level pH EC TDS Temp meter 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