80 strips of pH litmus test paper. Recommended for use with substrates and casing to determine if pH is within the correct parameters. We recommend squeezing a bit of water out of your testing material and onto a pH test strip for accurate testing results.
These paper pH strips have a distinct color match at each full pH unit, making it easy for the user to identify the correct pH level. Simply tear off a strip of pH paper, dip into the test solution, then instantly compare the resulting color with the matching pH color chart. These pH strips offer the widest test range available in a single paper, with level 0.0-13.0 testing. Its distinct color chart and accurate, reproducible readings give an immediate response for quick and easy use.