pH, EC, PPM Meters

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  1. -20%
    HM Digital Replacement pH Sensor for PH-200
  2. -20%
    Milwaukee Instruments Mi 805 Commercial Grade Combo pH/EC/TDS/Temp Meter
  3. -20%
    Milwaukee Instruments C66 Waterproof EC/mS Tester
  4. -20%
    Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
  5. -20%
    Free Shipping
    Bluelab Connect Stick 2
  6. -19%
    Free Shipping
    Bluelab Sample Pot
  7. -19%
    Free Shipping
    Bluelab External Lockout and Alarm Box
  8. -13%
    Free Shipping
    Bluelab Replacement pH Probe
  9. -13%
    Free Shipping
    Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
  10. -20%
    Batteries for PRO pH/TDS pen or Thirsty Light 1.4V (pack of 4 batteries)
  11. -34%
    Hydroponic Essentials pH Buffer 4 Calibration Solution 1 qt
  12. -13%
    Free Shipping
    Bluelab Original Truncheon Meter
  13. -13%
    Free Shipping
    Bluelab Probe Care Kit - pH
  14. -8%
    Free Shipping
    Hanna Instruments pH Electrode Probe w/ 2m (6.6') Cable for HI981404N & H
  15. -34%
    HM Digital Handheld TDS-3 Tester
  16. -20%
    HM Digital Hydromaster Replacement EC/TDS Probe
  17. -5%
    Gizmode Innovations Water Alarm
  18. -4%
    Luster Leaf Digital Soil Thermometer
  19. -13%
    Free Shipping
    Bluelab pH & Conductivity Probe Care Kit
  20. -20%
    HM Digital PH-STOR pH Electrode Storage Solution
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93 Items

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