digital ph tester

• HMDPHM80 Digital pH/Temperature Meter

  

  Go to see$49.95

• CyberTech PHTester PH-107 Digital pH Meter Tester, With 2 Pack of Calibration Solution Mixture Included.

  

  Go to see$8.99

• BestDealUSA PH-009 IA Pen Type PH Meter & Digital Tester Hydro New

  

  Go to see$3.99

• HM Digital TDS-3 Handheld TDS Meter With Carrying Case, 0 - 9990 ppm TDS Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

  

  Go to see$21.00

• General Hydroponics GH1514 Ph Control Kit

  

  Go to see$11.30

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

  

  Go to see$6.96