REVHQ Litmus PH Test Strips 320 Strips, Professional Universal pH.1-14 Test Paper, for Teaching, Student, Chemistry Experiment, Saliva Urine Water Soil & Diet pH Monitoring

wanted 10, got a 100 for same price. works perfectly for my need

Practical and value vs price is good

I liked the product. It does work and shows you alkaline and acidic liquids accurately. I used it multiple times in class. Quantity is also sufficient. I will surely rebuy it.

Suitable for PH testing of very alkaline or acidic water. It is not suitable for determining the exact PH. If, for example, you come to a new city and want to understand how hard water is in the water supply, it will do.

Didn’t work

Does the job.

زين

I bought them along with a digital PH tester to check the acidity of fermenting vegetables and I realize it is not really of any use. You can barely guess between 2 ph units (say between 4 and 6) and the color reference is pretty different from what the paper turns into. In turn they are only good for assessing very/moderate acidic - nearly neutral - very/moderate alkaline but not to guess a numeric value of the PH.