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  • Environmental / Safety

    Whether testing the pH of soil, liquids or surfaces, this range of Johnson Test Papers test strips provide simple, effective visual comparison tests for a variety of water quality parameters. Quick and easy to use, these strips can be used to measure acidity, alkalinity, ammonium, bromine, carbon dioxide, chlorine, chloride, copper, detergents, hardness, hydrogen peroxide, hydrogen sulfide, iodine, iron, nitrogen, nitrate/nitrite, pH, and phosphate