This white stuff has appeared on my Apple cider vinegar. Is it good or do I remove it?

It has been 4 weeks. I was going to strain the apples out today and let it sit for another 4 weeks.

Smell of the vinegar is nice and doesn't have a bad odour.

photograph of apple cider vinegar (side view) photograph of apple cider vinegar (top view)


That is mold. You should skim it off and throw it away. It's probably an indication that your acid to sugar balance is not correct. If it comes back I'd throw away your batch and try again.

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