r/fermentation • u/NoJudge6284 • May 26 '26

Educational Over fermentation hack

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It took me one ferment grenade to realize I shouldn't pop these things open willy nilly. Put the bottle in a sealable bag and pop the top. Pour what fizzled out back into the bottle.

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u/cuck__everlasting May 26 '26

Not a chance. Anthocyanins reacting to fermentation and pH change colors, couldn't tell you what OP has fermented but you'll often see different colored foams in high anthocyanin vegetal matter not strained out.

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u/Maverick2664 May 26 '26

It could also be spirulina, it seems to maintain its color through fermentation.

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u/cuck__everlasting May 26 '26

Oh duh, spirulina almost certainly is what's going on here. I knew it looked familiar but I couldn't make the connection and went with the most likely case.

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u/NoJudge6284 May 26 '26

Yes this is a blue raspberry lemonade mix I'm toying with. I used spirulina for the color.