🍺 Crafting Excellence: Explore Midwest Homebrewing and Winemaking Supplies Review

Although the jar was sealed when I opened it, all the paper was already orange making it useless for pH determination of anything. I don't know if they got wet or airborne or what, but it was a worthless purchase.

They work. But for me it was very approximate. Depending on the degree of acidity, I did get a color change, but it wasn't as dramatic as expected because the paper already had a yellow tinge. Add to this the difficulty of discerning colors when immersed in colored liquids and you have something vaguely informative. and difficult to use. It's cheap, but next time I need to check acidity I'll buy a titration kit.

I saw them being sold for testing acidity of beer and wine so figured they should work fine for my needs e.g . Basically checking the acidity in my homemade canning salsa and the like. What I need is to be able to see exactly when the pH is at or below 4.5 (the maximum pH for swimming in the water). What the tiny image doesn't show is that the color chart jumps two full dots between them, so red is 2.0, orange is 4.0, yellow is 6.0, etc. Also, the bar on them hasn't changed color at all, I had…