pH Calibration Powder

Aerospring Hydroponics Verified independent store

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Description pH Meters need to be regularly calibrated to maintain accurate readings. Dissolve the contents of the sachet into 250ml of de-ionised or distilled water. Dip pH probe i n contents of the calibration solution and follow the calibration instructions of your meter. Specification Single use sachet to be used in 250ml of water Show more