water ph meter

• Etekcity PH-009 IA High Quality Digital Pocket Pen Type PH Meter & Digital Tester Hydro

  

  Go to see$5.49

• General Hydroponics GH1514 Ph Control Kit

  

  Go to see$11.30

• Oakton EcoTestr pH 2 Waterproof pH Tester, 0.0 to 14.0 pH Range

  

  Go to see$44.21

• Neewer New Mini Digital Pen Type PH Meter PH-009 I Multimeter Tester Hydro

  

  Go to see$6.96

• HDE Digital Ph Meter + TDS Tester Aquarium Water Quality Pool Hydroponic Monitor

  

  Go to see$17.49

• HM Digital AP-2 AquaPro Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, +/- 2% Readout Accuracy

  

  Go to see$25.79