Like others here, I use and like starsan. The original poster wanted an alternative to sulfites. This goes in the other direction, but my LHBS recommends using "old" potassium metabisulfite as a sanitizer. Evidently it loses some potency over time, and this is a way to use it after a year or so. I'm thinking a solution of it might make a better pump sanitizer than starsan, which foams quite a bit going through the transfer pump. Is that a reasonable way to use it?
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