Free Sulfite Test Strips, 10-500 ppm [Vial of 50 Plastic Strips]

I use these to determine the amount of sulfite in my brewing process. Need to lower the PH of the sample to accurately read it. Other than that works as intended.

All of the tests were the same pink color (wine?) I recommend they move up the bullet about not being recommended for red wine to the top of the page and make it more forceful; it is not only not recommended, it absolutely will not work at all. Epic fail

It was not show the right results. It was almost same result for dirt and clean samples.

My husband makes wine and used this to test his wine as well as some store bought bottles. The test is easy to use and seemed to be pretty accurate.

My fault. Only after I used it to test red wine and got useless results did I read the disclaimer that these strips are not recommended for red wine. I do not know how accurate they are on other liquids.

The strips were very easy to read. The colors were distinguishable

Does not work with red wine

I use these strips to test white wine but unfortunately they cannot be used for red wine due to the discoloring, same be for meat ‘wash off’ tests. I would like to see similar strips that can be used for those test scenarios mentioned.