Pronova - Model pH 55 -pH/T Pocket Tester

The pH 55 is a small, pocket-sized water-proof pH tester. It takes quick and easy measurements in liquids and filtered soil solutions. It is suitable for use in horticulture, landscaping, aquariums, hydroponics, swimming pools, ponds and in the laboratory. It has an automatic calibration function (1-point or 2-point) and a replaceable electrode.