GroWell Hydroponics & Plant LightingGroWell Hydroponics & Plant Lighting

Nutrient & pH Management

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  1. Calibration & Storage Solutions

    Calibration & Storage Solutions

    Starting at: £3.95

    The solutions for super accurate calibration. Use these at 25 degrees centigrade and never keep an opened bottle for more than 6 months. We only recommend using pH 7 buffer when calibrating our Hobby pH meters.

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