I have read that you should keep contact with rubber and Star San to a minimum.
So my question is, has anyone experienced any ill effects using Star San to sanitize the seals on Grolsch flip tops???
I soak my caps in Star San while washing bottles (so less than two hours total). Never had any problem with the rubber or neoprene seals. But I don't think you want to soak them for much longer than that.
I have had rubber gaskets from the lids of kegs in star-san for about a month with no affect on them noticable.
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Thank you very much
Star san will cloud up some plastics but won't do any damage.
Bugeater Brewing Company