2 Pack pH Test Strips, 160 Strips pH.1-14 Universal pH Test Paper Litmus Test Paper Soap Making Testing Strips for Water Wine Saliva Urine Soil Testing Pet Food and Diet pH Monitoring (Sealed Pack)

For testing radiator pH I needed a tweezer to dip. However, worked well and saved a lot of money for a suggested radiator flushing (previously done) that was not needed

I was so excited to see these things. I used to use these exact same ones in the laboratory. They work great. Would definitely recommend. You only need to rip a tiny piece off, thats how we did it in the lab, it will last forever

I love these test strips. I also purchased a digital ph tester and actually prefer these over the digital tester. Dip them in, watch the color change, easy peasy lemon squeezy. UNLIKE THE DIGITAL TESTER. Calibrate, if the instructions are clear enough to understand, then make sure you use the correct solution, then make sure the sponge at the top of the cap stays MOIST ALWAYS. Can’t dry out, so if you’re not using the digital ph meter weekly, you have to REMEMBER to moisten the sponge, yahhh like that’s going to happen!!! Get the strips MAKE YOUR LIFE EASIER

Ph value for most part is accurate but functionality is a lil iffy the rooms light or sunlight kinda changes it to where it’s hard to tell it says keep outta light which I get but kinda hard to tell the ph color then.

Bought these to test the ph of my fish tanks before adding triop eggs and they worked perfectly and were very easy to read! Triops are extremely sensitive to ph and they hatched within 24 hours so id say these are very accurate strips.

I got these strips to make sure my salsas and spaghetti sauce are sufficiently acidic for water bath canning. I remove a tablespoon of sauce or salsa and put a test strip in and then compare with the chart. Having these strips has been so useful for recipe development using lemon and lime juice to replace the usual vinegar called for in canning recipes. I end up throwing away the test sample because I don't want the chemical in the litmus paper in my food, but tossing a tablespoon or two of food to stay safe from botulism is well worth it.

These are super cheap and the paper is so dark, it's hard to tell what color you get when you use them. The color also drips off (watch for staining!) and fades really quickly. The included color reference chart really doesn't help at all. The strips might work better if the paper was white, since the chart is on a white background. I found these utterly useless and bought some plastic strips in a canister instead.

These universal pH indicator papers are easy to use and come in a handy matchbook-style pack, which makes them super convenient for quick testing while I’m making soap. The color chart is clear, and the strips seem accurate — I’ve gotten the right color range every time so far, and it matched the pH I needed perfectly. The reason for three stars is that the paper itself is very thin and could definitely be made thicker for easier handling. It tends to feel a bit flimsy when dipping into liquids. However, for the price, they do exactly what they’re supposed to and get the job done without any major issues.