pH strips,visusally read,fit for Hospital,clinic,home test man or animal’s urine or saliva pH value,laboratory test hydroponics solution pH,school chemistry lab test value of acid or alkaline,swimming pool,fish pool,home make balance pH of water,dairy life test drinking water,cosmetic’s pH.
Measuring range:4.5-9mg/L
Shelf life:2 Years
Package: 100strips / bottle /box
Operation:
1.Remove one Universal pH test paper from the vial, being careful not to touch the strip anywhere other than where you grasp it.
2.Dip the test strip into the solution being tested for 1-2 seconds.
3.Remove and compare to the color chart for an approximate pH determination of the aqueous solution
4.Do not let strip dry before comparing to the color chart.