Wondering if anyone has an idea of what this could be and possible resolutions. This is Viognier juice that is currently in the aging process. I am concerned with what this could be inside the carboy. As you can see it seems to look like some sort of crystal that is growing inside the bottom 1/3rd of the neck. These growths do not move when carboy is shaken. Any ideas?
Viognier - Growth
- Thread starter pour750ml
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It is not on the outside? Almost looks like it could be K-meta that was spilled.
oenophilosopher
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Potassium bitartrate. It’s natural, don’t be concerned. Happens when temperatures fluctuate and tartaric acid binds with potassium creating crystalline formations most commonly called tartrates.
