Premium pH Test papers this pH test Paper Alows You to Accuracy Test The Ph of Various Substances included Food, Water/Aquariums, Soil, and Much More. Each Booklet Contains A Ph Guide Ranging from 1-14, with 1 Being the Most Acidic and 14 The Most Alkaline. Ideal for testing pond water, home fish tanks and for use in food preparation and classroom projects featureswhats include?; You will receive 2 Booklets of Litmus Test Paper Each Containing 80 Testing StripstShow to Use; Follow the Below Simple Instructions to Ensure You Accidentally Use Your Litmus Testing Stripsdip A Litmus Strip Into the Liquid, Drip a Sample Of Liquid Onto A Litmus Strip, or Press a Litmus Strip Onto the Damp Sample To Begin The Test.the Strip Color within 15 Seconds to be matched with the pH Scale Color Chart as follows: 1-3 indications a highly acidic substance 4-6 indicates an acidic substance 7 neutral indicates 8-11 indicates an alkaline substance12-14-4 indicates a highly alkaline substance; Approximate