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PH Meters

  • Control Wizard Products Accurate pH 8 Soil pH & Moisture Meter 716578 39638

    Accurate pH 8 Soil pH & Moisture Meter

    The Accurate pH 7 utilizes the electronic ground field effect of the earth on two dissimilar metals. No batteries are required. This meter comes with a cleaning pad. The Accurate pH 8 is a professional pH and Moisture Meter with 12 in Probe. This meter...

    MSRP: $77.95
    $68.83
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  • Active Air MGMP1 2-Way pH & Moisture Meter

    Active Air 2-Way Moisture/pH Meter

    Gardeners can conveniently test moisture and pH levels with the handy Active Air 2-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist). pH readings between pH 3 (acidic) and pH 10 (basic) are represented. The durable,...

    $31.51
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  • General Hydroponics GH1516 pH Test Indicator 8 oz

    GH pH Test Indicator 8 oz

    General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...

    $110.29
  • HM Digital Meters HMDPHM80 PH/Temperature Meter

    HM Digital pH 80 Meter

    Resolution: pH 0.1 pH, 0.00–14.0 pH. Accurate to +/-0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice moisture (or lack of) on probe...

    $54.34
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  • Hydroponic Essentials Essentials pH Test Kit ESPHTEST

    Active Aqua Hydroponic pH Test Kit

    (Wide Spectrum) Measures 3-10 pH. The Hydroponic pH test kit is good for 150 tests. At the rate of 3 tests per week it will last one year, making it excellent value for money. This kit covers a pH range of 3-10 measuring in 0.1 increments.

    $27.46
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  • General Hydroponics pH Test Kit 1 oz GH1515

    GH pH Test Kit 1 oz (24/Cs)

    General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers prefer our pH Test Kit to...

    $145.90
  • Milwaukee Instruments MIPH600 pH Tester With 1 Point Manual Calibration

    Milwaukee pH Meter pH600 AQ

    Milwaukee’s most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration and accuracy of ±0.2 pH. Battery life: 700 hrs. Calibration solution sold separately.

    $46.80
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  • Active Air MGMLP1 ActiveAir 3 - Way Meter

    Active Air 3-Way Meter

    Gardeners can conveniently test their moisture, light, and pH levels with the handy Active Air 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist); light readings range from 0 LUX (low light) to 2000 LUX (very strong light);...

    $32.53
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  • Digital pH Meter

    Rapitest Digital Soil pH Meter

    Plants need the correct pH level, which controls how well plants utilize the nutrients available in your soil. All plants have a pH preference, so it is important to know the pH level of your soil. You can choose plants with the same pH preferences,...

    $33.87
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  • HM Digital Meters HMDSPP2 Replacement pH Sensor PH-200

    HM Digital Replacement Probe for pH

    Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0–14 pH with a waterproof housing. Digital automatic calibration (one point), with...

    $53.47
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