4*80 Strips Laboratory Science PH Indicator 1-14 PH Paper Litmus Paper
This PH tester kit allows you to accurate test the PH of various substances including moisturized soap， lemon juice， milk， liquid detergent， moisturized soil， saliva， urine， sweat...etc.
Size:7*4.5cm
The scale reads from 1 to 14:
? 1-3 Indicates a very high Acidic Substance
? 4-6 Indicates an Acidic Substance
? 7 Indicates Neutral
? 8-11 Indicates an Alkaline Substance
? 12-14 Indicates a very high level of Alkalinity
Each bid for 4 packs.
We also have other measuring tools and related in our store，if you need，please feel free contact with us.