ULTECHNOVO 640 Sheets Ph Test Paper Litmus Test Strips Chlorine Litmus Paper Litmus Paper for Ph Testing Ph Paper Test Urine Test Strips Ph 1-14 Test Paper Universal Extensive Test Strips - 21628P0934UIIZL

• Litmus Paper Indicator-- The PH test papers are made of premium material, which is safe and practical to use. Chlorine Litmus Paper Test-- The PH testing paper strip adopts simple design, portable and lightweight, you can carry it easily and conveniently in different places. Litmus Paper Strips-- Designed for testing alkaline or acid level with universal range, precise and accurate. Litmus Paper For Ph Testing-- Great PH testing paper for laboratory. This PH test paper should be stored in dry and dark place. PH Test Strips-- Dip the strip into the measurable solution, take it out later and compare with the standard color plate to get the PH value.