Hot answers tagged acidity
The amount of acid in a properly mixed batch of StarSan is less than in a bottle of Coke. I've been using it for years and find it extremely effective as a sanitizer. I never rinse and it has had no adverse effect on my beer. In fact, I've won several awards since I started using it. The commonly heard refrain is "Don't fear the foam!"
I had similar fears after reading the warnings on the label until I read Palmer's How to Brew, 3rd Ed. p. 23, as part of his discussion of different methods of cleaning and sanitizing: StarSan is only effective when the pH of the solution is less than 3.5. ... This is also the reason it is a no-rinse sanitizer: When the fermenter or bottle has been ...
The lemon zest/peel is going to mostly give you a hint of lemon flavor and does little to the pH, which would be what the citric acid is there for. You could definitely use both and have it turn out fine and it will also turn out fine with neither, but the result will taste different. The difference is going to come down to preferences. If you already know ...
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