PH & EC Control

  • 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...


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    £47.20
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  • 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...


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    £31.50
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  • 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....


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    £3.10
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  • EC Pen Calibration Fluid

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


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    £3.10
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  • Liquid Silicon

    Useful as an alternative to PH Up when using a nutrient that does not contain silica....


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    £3.10
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  • Budget pH Test Kits

    These liquid pH testers are a very economical way to monitor the pH level of your nutrient solution. Each kit consists of 20ml of reagent, a small phial and a colour chart to translate your result into a pH value. Two pH ranges are available: 6.0 - 7.6 and 4 - 10. Whilst these kits may not be sufficient for the more experienced grower demanding a very accurate pH reading, they do provide enough i...


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    £3.10
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