Take accurate alkaline/acid tests with each pack.
80 Litmus paper strips
Each book also includes a colour chart.
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.
Also can test the pH of cosmetics, weak acid is the best.
The scale reads from 1-14:
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: 1 book (containing 80 strips)
Colour charts included
Each book is brand new and individually sealed in plastic for a longer life span and will arrive fresh and ready to use
How to use:
1. Tore off a test strip, take a drop of solution to be tested. When the solution and test strip produce color reaction, then compared with the color card, and ph value.
Note: Please do not put the test strip placed directly into the solution, just with a drop of to dip.
2. This paper does not apply very weak concentration of the buffer solution and acid solution is less than 0.01%.
3. This paper needs to be stored in a dark, dry place.