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Your cart is empty. The test paper should be stored in a dark, dry, and cool environment, and cannot be stored in an acid-alkaline air environment.
Test the properties of the solution: take a small piece of test paper and place it on a watch glass or glass slide, and use a glass rod or plastic dropper with the test liquid to point it on the middle of the test paper, observe the color change, and compare the color with the color chart.
Test the properties of the gas: wet the test paper with distilled water first, stick it to one end of the glass rod, use the glass rod to put the test paper close to the gas, observe the color change, and judge the nature of the gas.
Package Contents:
80 test strips *5
Standard color card *5
Richard Carver
2025-08-27 15:15:04
So my wife says to me " no wonder these plants aren't doing well, our water is acidic ". Well we live in the mountains and I know it is alkaline. She shows me a sample tested with some pool test strips and shure enough, it's acidic. Hmmm. Strips expired 2 years ago. Local store wanted 18 bucks for a test kit good for 50 tests. These new strips show slightly alkaline. This kit rules! Sorry honey, I was right (Again)
Hodge Podge Ventures
2025-08-07 11:24:49
Our Company makes a lot of acid based products that we have to test regularly and this has worked very well.
Customer
2025-07-31 17:37:14
Works well and a great price. Fast!
michael bolly
2025-06-11 14:25:44
Tested 2 solutions of known ph. One at 4 and one at 6.87. Neither strip changed color at all, even after drying.
Diane Kistner
2025-06-04 12:08:08
Plenty of litmus strips to tuck in my canning drawer. Unlike most people, I started out with pressure canning of meats, not water-bath canning of higher acid foods. Now that I'm good at the pressure canning part, I want to try water bath canning (which doesn't take nearly as long and doesn't cook the food to death in the process), but to do it I need a reliable way of determining how acidic something is and how much lemon juice or other acid I need to add to low-acid foods to make them acidic enough to safely can using the water bath method. Pam Cantrell of Rose Red Homestead (who I dearly love) recommended litmus papers for this purpose, so I got these.
Toymkr
2025-05-02 19:29:12
Decent product and does the job.
James Jenkins
2025-03-23 13:39:19
Easy to read and use
Dawn C.
2025-03-15 15:49:46
They were in expensive but not good quality. directions not clear. Translation issues, likely.
Coala Bear
2025-01-20 15:57:05
The paper is porous. Can't identify the pH result, as it's next to impossible to identify in between which two colors it sits. It's like the color of the result doesn't belong anywhere at times. Tried to make sauerkraut. PH level was supposed to reach 4. Test says... is it 5? 4 and a half? But then you can't tell if it even is in between a 4 and a 5, like it failed or something. It helps a tiny bit putting white paper behind it, but even then.I then tried a different test that's made very different (not a digital one as I want to avoid having to deal with calibration). Right away a nice clean confident nearly 4 pH level.So while the other one was decisively clear, this one left me completely guessing, so I find these completely useless.
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