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. 

Can not indicate the Acid or alkali solution when its density was lower than 0.01%. 

Keep dry for the rest paper 

Description :

Please do not dip the PH strips in the test liquid. 

It might lead to incorrectly showing test result. 

Please drop the test liquid on the PH strips. 

It will perfectly indicates the real acidic or alkalinity substance.

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 

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

Common Uses and Examples of pH 

Acid Rain, pH = 4.3 – 5.6 

Ammonia Based Glass Cleaner, pH = 10 

Battery Acid, pH = 1 

Beer, pH = 4.5 

Bleach, pH = 12.6 

Drain Cleaner, pH = 14 

Drinking Water, pH = 6.5 - 8.5 

Fruit Juice, pH = 2 - 5.5 

Gastric Acid, pH = 1.5 - 3.5 

Lemon Juice, pH = 2 

Milk, pH = 6.8 

Milk of Magnesia, pH = 10.5 

Oven Cleaner, pH = 13 

Pure Water, pH = 7 

Saliva, pH = 6.2 – 7.4 

Sea Water, pH = 8 

Soft Drinks, pH = 2 - 4 

Soap, pH = 7 - 10 

Tea, pH = 4.9 – 7.2 

Urine, pH = 4.6 – 8 

Vinegar, pH = 3.1