HM Digital Waterproof pH Meter PH-200 Sea Green Hydro Construction Material: With a robust

Construction Material: With a robust combination of Aluminum and thermoplastic elements

- Measurements: 22''x19''x7

Chiller Kit: This kit is tailored to fit each Active Aqua chiller

Replace filter cartridge or unit per manufacturer guidelines based on water quality and usage volume

Water in transplants and seedlings at half the regular strength

HM Digital Waterproof pH Meter PH-200 Sea Green Hydro Construction Material: With a robustHM 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.