Take accurate alkaline/acid tests with this pack of 160 Litmus paper strips which come in 2 individually sealed books.
Each book also includes a color chart.
The scale reads from 1 to 14:-
1 - 3 indicates a very acidic substance
4 - 6 indicates an acidic substance
7 indicates neutral
8 - 11 indicates alkalinity
12 - 14 indicates a very high level of alkalinity
Scale: 1 - 14
Pack size: 2 packs each containing 80 strips (160 strips in total)
Color charts included
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