Indigo test strips are ideal for
checking whether a solution is acid or base; or for checking pH measurements of
food, drinks, urine, saliva and water.
33811-4510
strips are ideal for accurate measurement of most food, drinks, urine, saliva
and water. May also be used for checking correct positioning of a nasogastric
tube or stomach acid. Test 4.5-10 acid or alkaline levels.
Easy-to-read chart on package. Can be used for testing your water pH and concentrated chemicals.Remove one test strip from package. Hold one end of the test strip and dip it into the solution to be tested. Submerge all pads in solution for 1 to 2 seconds. Gently shake off excess liquid and match to the color chart provided. Read result within 30 seconds of immersion. Do not allow test strip to dry before reading color chart.