Litmus PH Test Strips 160 Strips, Professional Universal pH.1-14 Test Paper with Test Pipette Droppers, for Teaching, Student, Chemistry Experiment, Saliva Urine Water Soil & Diet pH Monitoring

I was about to leave a bad review and ask for my money back when I read another review that made me think about testing other things. I bought these strips to test the PH for my Orchid fertilizer to make sure it was in the right range. The test for that in my tap water both came out yellow looking pretty much like the original paper but after I tested orange juice, Windex , rice vinegar, and a few other things the papers actually worked. If your paper turns yellow rest assured that it’s in the range indicated by the color indication strips.

Este producto es confiable buen precio

Delivered next day and works as expected

This is good and accurate pH paper. I tested it with vinegar and lye (after soapmkaing) and it showed true results. Comes with a few pipettes.

This product does not work. I put vineger on it, no change of color. DO NOT buy

A bit of inconsistency in the results ! Once paper dries a bit with the exception of something very acidic all the paper strips look the same .

Just what I needed

as described