High Quality pH Paper Strips from 1-14 for testing Acid, Neutral or Alkaline.
During the , the paper change color for about 15 seconds, and accurate pH values can be obtained according to the standard color chart provided.
Acid when pH is 7; Neutral when pH is equal to 7; Alkaline when pH is below 7.
Scope of use: school, laboratory PH , fruit , water quality , urine , cosmetic , soil , etc.
Colour: pictures color
Material: paper
Package Contents:
480 x PH strips
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
What's in the box
480 x PH test strips