Meters & Testers

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  1. General Hydroponics pH Test Kit

    The pH Test Kit is a liquid tester which covers a pH range of 4.0 - 8.5. Includes sampling tube, reagent, and color comparison card. Learn More
    $6.75 Price:
  2. HM Digital Waterproof pH Meter

    The HM Digital Waterproof pH Meter is ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics and more. Learn More
    $69.99 Price:
  3. Sale
    HM Digital pH HydroTester

    HM Digital pH HydroTester

    The HM Digital pH HydroTester is a reliable pH meter that is ideal for testing applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water and more. The sleek, lightweight design is water-resistant, features one-touch automatic digital calibration, measures temperature, has automatic temperature compensation (ATC) and an LCD screen. This tester includes storage solution in a sponge embedded in a translucent cap, pH 7.0 buffer and batteries. This product carries a one-year warranty. Learn More

    Old Price: $55.00

    $49.99 Special Price

  4. Bluelab Pro Controller Connect (SO Only)

    Perfect for hobby to large-scale growers, the Bluelab® Pro Controller™ Connect is the simple solution for automatic feeding systems. Learn More
    $880.00 Price:
  5. HM Digital HydroMaster HM-500

    The HM Digital HydroMaster HM-500 monitors pH, electrical conductivity (EC), total dissolved solids (TDS) and temperature with very high accuracy. Learn More
    $325.00 Price:
  6. Bluelab Soil pH Pen

    Bluelab Soil pH Pen measures pH and temperature (°F and °C) to ensure proper nutrient uptake from nutrient solutions and soil. Learn More
    $167.00 Price:
  7. Bluelab Guardian Monitor

    The Bluelab Guardian is a constant indicator of the desired levels of EC, pH and temperature, allowing these parameters to be optimized as the crop progresses through each growing phase. Learn More
    $328.00 Price:
  8. Bluelab Guardian Monitor Connect

    The Bluelab Guardian Monitor Connect is not only a constant indicator of pH, conductivity and temperature of nutrient solutions, it also data logs these critical parameters to the computer. Learn More
    $449.00 Price:
  9. Bluelab ppm Pen

    The Bluelab ppm Pen measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. Learn More
    $85.00 Price:
  10. Bluelab pH Pen

    The Bluelab pH Pen is a handy option for hobby and small scale hydroponic growers. Maintaining proper pH levels is key in raising healthy, fruitful plants, and this pen accurately measures both the pH and temperature in your hydroponic system. Learn More
    $100.00 Price:

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