Universal Neutral pH Test Strips Litmus Blue Test Paper/Red Litmus Paper

Specifications
1.Wide application 
2,High accuracy test result 
3,Good stability 
4,Two years shelf life
Introduction & Features:
 
Litmus paper in the acidic fluid is red, in alkaline fluid are blue.
It uses blue litmus paper with  acidic inspection, for the criminal alkaline fluid with red litmus
NOTES:
 
1, Do not touch test areas of reagent strips.
 
2, Do not use after expiry date.
 
3, Do not remove desiccant(s).
 
4, Do not remove strip from the bottle until immediately before it is to be used for testing.
 
5, Replace cap immediately and tightly after removing reagent strip.
 
6, Store at temperature between 2°C-30°C.
 Way to Use:
Dip the trip into the solution to be tested for half a seconds
Take out and contrast with the color chart to get PH readings