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Meters


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Experienced growers know that measurement is critically important in hydroponic growing. One of the most important factors is to get pH value right and keep it where it needs to be. For this purpose, Dealzer offers a range of pH meters and testers. There are also tools for testing temperature, total dissolved solids and more.

  • General Hydroponics pH Control Kit

    $21.75
    The pH Control Kit includes one liquid pH test kit and 8 oz of each Up (base) and Down (acid). The pH Test Kit is a liquid tester that covers a pH range of 4.0 to 8.5. Includes sampling tube, reagent and color comparison...Learn More

  • pH Down General Hydroponics

    $12.95
    To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products...Learn More

  • Ph Tester w/ 1 Point Manual Calibration

    $39.95
    pH Tester with 1 point manual calibration, ± 0.2 pH Accuracy range: 0.0pH to 14.0 pH Full Range tester - Unit comes with 30 Day Warranty -- Snap Over Protective Case - 7.01 Calibration solution and calibration...Learn More

  • pH Up General Hydroponics

    $12.95
    To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products...Learn More

  • Bluelab pH Down, 500 mL

    $11.85
    Use Bluelab pH Up and Down to adjust nutrient solutions to the optimum range of pH and improve nutrient availability to plants. Bluelabs pH Down is made of 35 percent w/w phosphoric acid, and pH Up is made of 35 percent w/w...Learn More

  • HM Digital Waterproof pH Meter

    $112.50
    The HM Digital Waterproof pH Meter is ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics and more. This meter has auto-ranging three-point calibration with digital...Learn More

  • Bluelab pH Up, 500 mL

    $14.54
    Use Bluelab pH Up and Down to adjust nutrient solutions to the optimum range of pH and improve nutrient availability to plants. Bluelabs pH Down is made of 35 percent w/w (certified) phosphoric acid, and pH Up is made of 35...Learn More

  • Bluelab Truncheon Nutrient Meter

    $156.50
    Easily measure and maintain nutrient strength levels with the waterproof Bluelab Truncheon® Nutrient Meter. This meter reads in EC (0.2 to 3.6), CF (2 to 36), TDS/ppm 500 (100 to 1,800) and ppm 700 (140 to 2,520)...Learn More

  • X Nutrients pH Down (1 Quart)

    $14.30 $13.20
    Without the proper pH balance, plants will not efficiently uptake nutrients; it's one of the most overlooked aspects in effective gardening. pH-Up and pH-Down helps your plants achieve optimum absorption.Without the proper...Learn More

  • Milwaukee pH600 Tester

    $40.45
    Milwaukee pH600 Tester is an easy to use, low cost instrument that measures pH values quickly and reliably. It features 1 point manual calibration, ±0.1 pH accuracy and a range of 0.0 to 14.0 pH. The pH600 includes a...Learn More

  • X Nutrients pH Up (1 Quart)

    $14.30 $13.20
    Without the proper pH balance, plants will not efficiently uptake nutrients; it's one of the most overlooked aspects in effective gardening. pH-Up and pH-Down helps your plants achieve optimum absorption.Without the proper...Learn More

  • Rapitest Mini 4-in-1 Tester

    $16.25
    It can be hard to tell why plants just don't seem to do well in certain areas. Is it the soil Is there enough sunlight Fortunately, the Rapitest Mini 4-in-1 Tester can remove the guesswork and provide solid answers. It tests...Learn More

  • General Hydroponics pH Test Indicator, 8 oz

    $14.60
    This concentrated General Hydroponics pH Test Indicator is simple to use and offers dependable results that are easy to read. Three drops of pH Test Indicator for every 5 milliliters of solution will determine the acidity or...Learn More

  • General Hydroponics pH Up, qt

    $14.60
    General Hydroponics pH Up effectively raises pH levels in customers reservoirs. Designed to maintain a consistent reservoir pH level over time.Learn More

  • HANNA Checker pH Tester

    $53.10
    Graduate from litmus paper with the pocket-sized HANNA Checker® pH Tester. This reliable device features simple two-point calibration and measures pH from 0.0 to 14.0, with a resolution of 0.01 and accuracy of ± 0.2...Learn More

  • Sunleaves Soil pH Tester

    $11.30
    Without mixing, measuring or waiting, easily monitor soil pH on a scale of 4 to 8 with the durable, easy-to-read Sunleaves Soil pH Tester. The unit does not require batteries and is suitable for use indoors or out.Learn More