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Probes & Meters

  • Out of Stock

    Oakton Replacement Electrode pH 10-20-30

    $78.64 - $78.64
    $78.64
    $78.64 - $78.64
    $78.64

    $78.64 - $78.64
    $78.64
    $78.64 - $78.64
    $78.64
    Out of Stock
  • Out of Stock

    Oakton Waterproof pHTestr 30

    $126.25 - $126.25
    $126.25
    $126.25 - $126.25
    $126.25

    $126.25 - $126.25
    $126.25
    $126.25 - $126.25
    $126.25
    Out of Stock
  • Out of Stock

    Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter

    $0.00 - $0.00
    $0.00
    $81.99
    $81.99 - $81.99
    $81.99

    Oakton® Conductivity, TDS and Salinity in one meter. Expanded 4-digit dual-line display shows conductivity and temperature readings simultaneously....

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    $0.00 - $0.00
    $0.00
    $81.99
    $81.99 - $81.99
    $81.99
    Out of Stock
  • Out of Stock

    Oakton Multi PT Testr 35 - PH-TDS-Temp

    $150.37 - $150.37
    $150.37
    $150.37 - $150.37
    $150.37

    $150.37 - $150.37
    $150.37
    $150.37 - $150.37
    $150.37
    Out of Stock
  • Out of Stock

    Oakton Waterproof pHTestr 10

    $104.25 - $104.25
    $104.25
    $104.25 - $104.25
    $104.25

    $104.25 - $104.25
    $104.25
    $104.25 - $104.25
    $104.25
    Out of Stock

Probes & Meters and Green Houses Benefits

With a simple test using the best hydroponic pH meter, you can determine if your plants need water or pH adjustment or more of a nutrient, if you have the right hydroponic meters to measure different parameters. The best pH meter for hydroponics and probes to measure pH, TDS, temperature, EC and humidity can be found at Zenhydro. Pick a hydro pH meter or EC pH meter hydroponics from brands such as Hanna Instruments, HM Digital and Blue Lab.