Description 80 Strips Full Range pH Alkaline Acid 1-14 Test Paper Water Litmus Testing KitThis 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 x45mmPH 1-14 Colour chart in each packLitmus Paper test strips change colour within 15 seconds to be matched with the pH scale colour chartScales 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