pH Meters / Controllers

  • Milwaukee PH600 pH Meter

    Milwaukee's most affordable pH meter.  The pH 600 is a full range pH meter with a range from 0.0 - 14.0 ph. Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH values.  This meter should be...

    $34.95
    Add to Cart
  • 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. It also...

    $113.00 $99.95
    Add to Cart
  • Bluelab pH meter with probe

    The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it...

    $210.00 $189.95
  • Bluelab Grower's Toolbox - Limited Edition

    The Bluelab Grower’s Toolbox combines the essential tools to easily manage crops by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the hydroponics basics with the Grow Book. Keep growing with the ultimate handy...

    $189.95
    Add to Cart
  • HM Waterproof pH/Temp Meter

    FEATURES Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up Waterproof housing Simultaneous temperature display ...

    $89.95
    Add to Cart
  • Bluelab pH Probe Only

    Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing...

    $69.95
    Add to Cart
  • Autopilot Digital pH Controller

    Autopilot Digital pH Controller

    The Autopilot pH-1 controller accurately and reliably measures and controls the pH of any water-based solution, including hydroponic nutrient mixtures, and fish aquarium water. After selecting the desired pH setting from 5.0 to 8.0 pH, the pH controller...

    $369.95
    Add to Cart
  • Bluelab Soil pH meter with probe

    The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just...

    $240.00 $219.95
    Add to Cart
  • Bluelab Soil pH Probe Only

    The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just...

    $110.00 $99.95
    Add to Cart
  • GroLine pH Tester

    GroLine pH Tester

    The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very...

    $69.95
    Add to Cart