pH 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 12 - 14
These easy to use strips give a basic indicative pH for soaps, cosmetics and any other solution.
Each booklet comes with its own colour chart printed on the inside of the booklet.
- Immerse a strip into the test solution for up to 2 seconds and then remove.
- Shake of excess liquid
- Compare the colour produed on the strip with the colour chart within 5 seconds to determine pH of the solution
Do not store strips where they are likely to be exposed to acid or alkaline gases or vapours.