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TDS & EC Meters

  • Bluelab ppm Pen

    Bluelab PPM Pen

    Bluelab ppm Pen Measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a...

    Our Price: $104.94
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  • Bluelab Truncheon Meter

    Bluelab Truncheon Meter

    Bluelab Truncheon Meter Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (2-36), TDS/ppm 500 (100-1800) and ppm 700 (140-2520). Accurate within ±...

    Our Price: $157.95
    Out of Stock
  • Hanna GroLine EC/TDS Pen

    Hanna GroLine EC/TDS Pen

    The Hanna GroLine EC/TDS Pen HI98318 is a pocket meter for measuring the EC/TDS of a hydroponic nutrient solution.   This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a...

    Our Price: $99.95
    Out of Stock