New 160 Litmus Paper Test Strips Alkaline Acid pH Indicator Useful

Description
New without tags and high quality
Take accurate alkaline/acid tests with this pack of 160 Litmus paper strips
Each book also includes a colour chart

New 160 Litmus Paper Test Strips Alkaline Acid pH Indicator Useful  6QCI

Specifications
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

Included
2 x books each containing 80 strips (160 strips in total)