Features:
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<br />    Take accurate alkaline/acid tests with this pack of 160 Litmus paper strips which come in 5 individually sealed books. Each book also includes a colour chart.
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<br />The scale reads from 1 to 14:
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<br />    1 - 3 indicates a very acidic substance
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<br />    4 - 6 indicates an acidic substance
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<br />    7 indicates neutral
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<br />    8 - 11 indicates alkalinity
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<br />    12 - 14 indicates a very high level of alkalinity
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<br />    Make sure your water is safe before using: Litmus paper is invaluable for testing the acid and alkaline levels in all kinds of applications from spas, ponds and aquariums to conducting scientific experiments.
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<br />Package Content:
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<br />    2x80 Strips Full Range pH Alkaline Acid 1-14 Test Paper
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