Most sanitizers are oxidizers, making it very important to insure your vessel is dry before you fill it; otherwise residual sanitizer could potentially oxidize your beer.
Really? I have been homebrewing for a while and using Star-san. The saying goes "don't fear the foam" Does this statement that you need to get your fermenter dry before you fill it not apply to Star-san? I cant Imagine that it is common practice to wait for an hour or more for the foam to settle...
Do commercial breweries even use star-san (or equivalent)?
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