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pH, TDS, EC, PPM

pH, PPM, EC, TDS meters and more to ensure your plants get the exact nutrient recipe they need.
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  1. Bluelab Grower's Toolbox - Limited Edition
    Bluelab Grower's Toolbox - Limited Edition
    $171.42
    Out of stock
    -->
  2. Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution
    Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution
    $156.42
    -->
  3. Bluelab PPM Conductivity Pen
    Bluelab PPM Conductivity Pen
    $80.91
    -->
  4. BlueLab pH Pen
    BlueLab pH Pen
    $97.37
    -->
  5. Bluelab Soil pH Pen Meter
    Bluelab Soil pH Pen Meter
    $155.56
    Out of stock
    -->
  6. BlueLab Combo Meter
    BlueLab Combo Meter
    $249.98
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  7. Bluelab Guardian Monitor
    Bluelab Guardian Monitor
    $333.31
    -->
  8. Bluelab Guardian Monitor Connect
    Bluelab Guardian Monitor Connect
    $382.48
    -->
  9. Bluelab pH Doser Controller Connect
    Bluelab pH Doser Controller Connect
    $548.35
    Out of stock
    -->
  10. Bluelab pH Doser Controller
    Bluelab pH Doser Controller
    $487.87
    -->
  11. Bluelab Guardian Monitor Connect In-Line
    Bluelab Guardian Monitor Connect In-Line
    $497.63
    Out of stock
    -->
  12. Bluelab Commercial Truncheon - Nutrient Meter
    Bluelab Commercial Truncheon - Nutrient Meter
    $119.27
    -->
  13. Bluelab Original Truncheon Meter
    Bluelab Original Truncheon Meter
    $116.93
    -->
  14. Bluelab Sample Pot for Testing Remote Reservoirs
    Bluelab Sample Pot for Testing Remote Reservoirs
    $170.23
    Out of stock
    -->
  15. Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
    Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
    $151.87
    Out of stock
    -->
  16. Bluelab Replacement pH Probe
    Bluelab Replacement pH Probe
    $61.25
    -->
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Brand
  1. Bluelab 27 item
  2. Hanna Instruments 25 item
  3. General Hydroponics 5 item
  4. HM Digital 4 item
  5. Milwaukee 3 item
  6. Zelda Horticulture 2 item
  7. SmartBee 2 item
  8. Myron L 2 item
  9. Rapitest 1 item
  10. Hawthorne Gardening Company 1 item
  11. GreenGro Biologicals 1 item
  12. Future Harvest Development 1 item
  13. Autopilot 1 item
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Price
  1. $0.00 - $200.00 10 item
  2. $200.00 and above 65 item