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 chart in each pack Litmus Paper test strips change colour within 15 seconds to be matched with the pH scale colour chart 2 Packs of 80 Included (160) 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.
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