Universal pH Test Paper Strips pH Test Strips Roll, pH Measure Full Range 0-14， 16.4 ft/Roll (4 Rolls)

General description The Universal pH Test Paper Strips are designed to measure pH values across a full range of 0 to 14. Made from quality litmus paper, these strips provide fast and accurate results in just seconds. They are suitable for various applications including educational purposes, laboratory testing, aquariums, hydroponics, and agricultural testing. Technical specifications pH range: 0-14 Roll length: 16.4 ft (5 m) per roll Total length for 4 rolls: 32.8 ft (10 m) Usage Remove a small test strip and touch it to the liquid to be tested. After a few seconds, compare the test results with the standard color chart provided.