| Brand | Unbranded |
|---|---|
| Package Contents | 1* ph test strips |
Check the listing for details. pH Strips 1-14 Range Testing Paper for Lab Classroom and Home Experiments. Condition: New. Listed at 9.49 USD. 8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 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.