Hydroponic Meters

  • pH Pen

    New to our range of hydroponic accessories, the HM Digital pH pen is a reliable, robust pH meter that's an ideal upgrade from liquid test kits. This easy-to-use PH pen has a clear LCD display giving readings to 0.1 on the pH scale with an accuracy of +/- 2%. The pen features digital auto-calibration which makes it easy to calibrate using Buffer 4 or 7. The HM Digital pH pen uses three 1.5V batteri...


    From
    £47.20
    Details

  • HM Digital EC Meter

    An essential bit of kit for any hydroponic grower, this robust EC meter is designed to suit anyone working to a budget without compromising on reliability. Microprocessor controlled for fast efficient readings, the meter also has a few handy extras including a hold function to assist reading and recording of levels, an auto shutoff feature that cuts in after ten minutes of inactivity and a built i...


    From
    £31.50
    Details

  • Bluelab Truncheon

    Sturdy, reliable nutrient meters from Bluelab Hydroponics in New Zealand (formerly NZ Hydroponics). The Bluelab CF Truncheon measures EC, CF and TDS, is temperature compensated and completely waterproof. These meters tend to go on forever, just make sure they're checked in Conductivity Standard (see related items below) and cleaned at least once a month otherwise they'll under-read. To make carin...


    From
    £77.25
    Details

  • Bluelab Combo Meter

    Combination PH and EC meter from market leaders Bluelab of New Zealand (formerly New Zealand Hydroponics). Supplied as standard with a whopping great five year guarantee, these sturdy little meters were first marketed at commercial growers but have rapidly gained popularity in the hobby market due to their robust design and highly reliable performance. Please note that the 5 year guarantee relate...


    From
    £194.95
    Details

  • Bluelab Guardian Monitor

    The Bluelab Guardian Monitor measures all three critical parameters to successful growth: pH, conductivity and temperature. As the environmental factors such as sunlight hours, wind, inherent plant growth change so do the plants uptake and need of water and specific nutrient elements. The Guardian is a constant indicator of the changing desired levels of pH, EC and temperature by the plant through...


    From
    £254.95
    Details

  • pH Buffer 4

    pH Buffer 4 and pH Buffer 7 for use in calibrating with all PH pens. Calibration of all measuring equipment should be performed weekly to ensure accurate measurments. Available in 250ml and 1l bottles....


    From
    £2.95
    Details

  • EC Pen Calibration Fluid

    Conductivity standard for use in calibrating all types of nutrient meters including the Bluelab/NZ Hydro Truncheon....


    From
    £3.10
    Details


© 2003 - 2017, Greens Hydroponics, All Rights Reserved.