rigger7 said:Started a batch of Carmel Hard Apple Cider on Wed. noticed this morning that liquid level in my airlock has gone down.
I've heard of cider back sucking before but what causes this and is it a bad thing?
Change in temp usually causes this. Did the cider cool down after you put on the air lock?
It's also happened to me when I put the air lock on a bucket, then picked the bucket up and moved it somewhere else.
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