HM Digital Waterproof pH Meter PH-200 Pots and Containers Operating Voltage: 8 to 15V

Operating Voltage: 8 to 15V

Mini-Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings

Rigid shape does not fold over when watering or filling

Sustainable Choice: Choosing coco peat promotes sustainable agricultural practices by utilizing a waste product from the coconut industry and reducing the need for traditional peat moss

and particulates in non-hazardous environments

HM Digital Waterproof pH Meter PH-200 Pots and Containers Operating Voltage: 8 to 15VHM Digital Waterproof pH Meter, PH 200 The PH 200 is a professional grade pH Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and agriculture.