HM Digital Waterproof pH Meter PH-200 fluorescent-lighting PAR: 2100 µmol/s

PAR: 2100 µmol/s

Instructions on how to complete every part of your Nokbox for both you and for your NOK

- All metal push and click corner connectors

submersible pumps are very energy efficient and provide high flow rates with high pressure

While different companies use different scales to measure the air filter’s efficiency

HM Digital Waterproof pH Meter PH-200 fluorescent-lighting PAR: 2100 µmol/sHM 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.