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.
The scale reads from 1 to 1:
1 - indicates a very acidic substance
- 6 indicates an acidic substance
7 indicates neutral
- 11 indicates alkalinity
12 - 1 indicates a very high level of alkalinity
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.
2x0 Strips Full Range pH Alkaline Acid 1-1 Test Paper