New answers tagged first-time-brewer
I typically use sanitization solution diluted with a little bit of water in case of this situation, but you shouldn't really have a problem.
Your beer will most probably not be infected. Yeast are quite aggressive at this point in the fermentation and will kill any bugs that fell in. I use vodka in my airlock. It guarantees that no bugs will get into my beer! :) I have used my sanitization solution before. Just fill your airlock to the line (usually about halfway) and you are good. Another ...
No problem on either the water getting sucked in or the low level. Just add more water.
You might also consider using a sulphite solution, or PGA or vodka in your fermentation lock. Don't, for heaven's sake, toss the beer unless your taste buds tell you to.
If that is indeed what happened, it might introduce some bacteria that could give you off-flavors, but it won't make it unsafe to drink. I'd at least wait and see how it turns out. If you try a few bottles a few weeks down the line and they end up being nasty you could consider tossing it, or turn it into vinegar or something. But beer is a hostile ...
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