PH Water Tester Strips

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This pH tester kit allows you to accurate test the pH of various substances including foodstuff, Aquarium/Water, Urine, Soil etc. Approximate size of pack 70 x45mm PH 1-14 Colour c hart in each pack Litmus Paper test strips change colour within 15 seconds to be matched with the pH scale colour chart Each pack contains 80 strips Scales is as follows:- •1-3 Indicates a very high Acidic Substance •4-6 Indicates an Acidic Substance •7 Indicates Neutral •8-11 Indicates an Alkaline Substance •12-14 Indicates a very high level of Alkalinity SPECIFICATIONS; Made of the highest quality PH paper for almost instantaneous results. 80 strips of litmus paper per book. PH 1-14 colour chart included in each pack. Approx. size of pack 70 x 45mm. HOW TO USE; Remove a litmus strip from the pack. Drip liquid onto the strip, press against object / damp sample or dip the strip into liquid for half a second to begin the test. Wait 15 seconds for the reaction to occur. Please note these strips will not be able to indicate the acidity or alkalinity of a solution when its density is lower than 0.01%. Compare the colour change to the colour chart provided to indicate the level of acidity. Show more