3*80 Strips Kit 240 Strips Full Range Alkaline 1-14 PH Testing Paper Acid Water Litmus

Label:Yes Paper Size:app 50mm x 36mm (L x W) Brand new Weigh:app 3g PH 1-14 color chart in each pack The test strip color changes must be matched with the pH scale color chart within about 15 seconds The scale reads from 1 to 14: 1 - 3 indicates a very acidic substance 4 - 6 indicates an acidic substance 7 indicates neutral 8 - 11 indicates alkalinity 12 - 14 indicates a very high level of alkalinity

Instruction: 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

Package includes: 3 x Set of 80pcs pH test paper