Ph Litmus Paper 1-14 Litmus Portable Acid Alkaline Test Paper Test Kit,2pack(160pcs)

SCALE: The scale reads from 1 to 14: 1 - 3 indicates a very acidic substance, 4 - 6 indicates an acidic substance, neutral indicates 7, 8 - 11 indicates alkalinity, 12 - 14 indicates a very high level of alkalinity. D' APPLICATION: PH paper help you maintain a good healthy body by testing many usual daily substances, including hydrated soap, lemon juice, milk, liquid detergent, hydrated, saliva, sweat, CORRESPONDENCE TIME: The test strip color changes should match the pH scale color chart in approximately 15 seconds. PACKZGE INCLUDED: Comes with 160 PH Litmus paper strips, enough to meet your daily needs.