I've never seen this before. There's about 20 min left inthe boil and I noticed this when I reset the timer on the turkey frier.
Have you done any all grain batches previous to this one? Btw I'm sure you're fine, from everything I have gathered about the only thing to worry about during the boil is too hot of a flame. You may scorch the sugar that's boiling producing a bad flavor. But any films that are produced should settle during the chilling stage. Even if it is something that is undesirable.
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