Each pack contains 100 plastic strips and colour chart that are used to test the pH of a wide range of liquid solutions. These strips give you an easy to read, single colour match at 1 pH intervals.
Water pH test kits contains a 15-foot roll of test paper, matching color chart and one(1) capped 4 ml. sample tube, packed in a polypropylene protective case for a wide variety of water sources.
pH pencils are used for testing the Acid Alkaline levels on uneven surfaces. Each mechanical pencil will give the user at least 100 tests. Comes with colour chart and instructions.
pH Pencils will test surface pH Acid and Alkalinity. Each box comes complete with three Pencils and three Colour Charts with Instructions.Each pencil will give the user at least 100 tests.