3 Review(s)

pH test paper roll: the pH test strip has full pH range, measures pH values in the range of 0 to 14, pH color chart intervals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, easy to read. Material: pH paper is made of quality litmus paper, get fast and accurate results in just seconds with the good quality pH test paper. Multiple applications: universal pH paper is good teaching supply for schools, lab, also can be applied to detect fish tank, hydroponics, aquariums, industrial testing, agricultural testing, etc. Easy to use and operate: remove a small test strip, touch the liquid to be tested, a few seconds later, compare the test results with the standard color on the card board. Scroll design: lightweight and compact reel design for convenient use and carry; Each roll length approx. 16.4 ft/5 meter. Specification: Strip Total Length: 5m / 16.4 ft Scale Reads From 1 to 14 Features: - Appropriate for testing alkaline or acid level of any liquid. - The test strip color changes must be matched with the PH scale color chart within about 15 seconds. - Great product to have in every lab and at home to measure and inspect water quality, makeup, saliva, soil, alkaline diet, food and more. - Please do not dip the PH strips in the test liquid. It might lead to incorrectly showing test result. Instruction: 1. Simply drop the test liquid on the PH strips 2. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject. 3. Can not indicate the Acid or alkali solution when its density was lower than 0.01%. 4. Keep dry for the rest paper. Package Included: 1 x PH Test Strip Roll