Showing 193–197 of 197 results

  • BlueLab Combo Meter

    BlueLab Combo Meter

    $270.27 USD

     

    • Measures pH, conductivity / nutrient
    • Lightweight and portable
    • Large easy to read display
    • Simple push button pH calibration
    • No calibration required for conductivity and temperature
    • Replaceable double junction pH probe included
    • 2 x AAA alkaline batteries included

     

  • BlueLab Truncheon Meter

    BlueLab Truncheon Meter

    $147.13 USD
    • Fully waterproof
    • Auto on/off function
    • No calibration required
    • Daylight readable blue LED’s
    • Battery operated – 3 x AA batteries included
    • No buttons, switches or knobs
    • Provided with EC, CF, ppm 700 and ppm 500 scales
  • Bluelab PPM Pen

    Bluelab PPM Pen

    $94.48 USD

    Bluelab  ppm Pen The ultimate handy solution for measuring conductivity (EC or ppm) and temperature! The Bluelab EC or ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. To feed plants well, we need to know what we’re feeding…

  • Bluelab pH Pen

    Bluelab pH Pen

    $114.61 USD

    Don’t forget to order your BlueLab calibration Solution ph4 and ph7

  • Sale! milwaukee PH 600 Pen

    Milwaukee Ph 600

    $30.94 USD
    • Fast, accurate results with digital LCD readout
    • Easy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize
    • Simple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect from accidental splashes
    • Cap to protect the pH sensor and keep it wet when stored upright
    • Low power demand for extended battery life (batteries included)