PH Acid Range 5.4-7.0 PH Paper Water Litmus Alkaline Paper Indicating TestCAL

Description

Feature:
1.Simply press the testing strip to the object or liquid you are testing. Half second later, take out the
paper and using the color chart included, compare the color change of the paper to find out the acidity
level of your testing subject.
2.Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
3.Keep dry for the rest paper
Description:
Material:Paper
PH Acid Range:5.4-7.0
Package include:
80 Strips/book testing strips
Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.
On Mar-31-21 at 10:20:16 PDT, seller added the following information: