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.
Instructions: - 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
Storage Do not store strips where they are likely to be exposed to acid or alkaline gases or vapours.