Wide Range Testing: PH test paper has a pH range of 1-14 and is suitable for testing a variety of liquids and meals, including saliva, urine, water, soil, pet food, and diet.

Easy to use: To obtain reliable results, simply dip the test strip in the test solution and compare it to the color chart on the package. Convenient Storage: The test strips come in a storage container, making them easy to transport and keep.

Instruction:

1. Simply apply the testing strip to the object or liquid you're testing. Take out the paper in a few seconds and, using the color chart provided, compare the color change to determine the acidity level of your testing subject.
   2.When the density is less than 0.01%, it is impossible to determine whether the solution is acid or alkaline.
   3. Keep dry for the remaining paper.

Specification:
Paper size is approximately 45mm x 7mm (L x W).