Rouleau rond de papier test pH 0-14 (large gamme)

1、Wide range of uses: You can determine the pH of any liquid, such as human urine, saliva, drinking water, swimming pools, juices, etc. 2、Extensive pH spectrum: pH test paper has a complete pH range, can measure the pH value of 0 to 14, easy to read. 3、Easy to use: Take out a small test strip, immerse the test strip in the test solution for half a second, and then compare it with the standard color on the card to get the result. 4、Long enough: Our pH test paper consists of a 5 meter long roll that allows approx. 250 measurements (at 2cm per measurement). 5、Portable: Compact and lightweight round design, easy to use and carry. Specification: 5m / roll Test range: ph1-14 Shelf life: 3 years Scale reading from 0 to 14: 0-3 means strongly acidic 4-6 means acid 7 means neutral 8-11 means alkaline 12-14 means strongly alkaline 1 roll of pH test pape