Originally Posted by garyhood
Not the greatest answer i wanted to see Tiako.. but a reality.. i came too expect happens some times
I've brewed over 250 batches. Never had an infection yet. I've dropped the grommet on one of my first batches, forgot to sanitize some items, used tap water, etc. Beer is pretty resilient.
As long as fruitflies and that kind of stuff can't get in there, you're all set. When I was a paramedic in the early 80s, we used something called a "flutter valve" on sucking chest wounds. Basically, it's a one way valve to let air out, but nothing else in. You can do it with foil or even plastic wrap. Sanitize it, and then tape down three sides (but not too tight) on the top of the fermenter. The co2 can escape, but no bugs can crawl in.
If it was me, I'd just go with leaving it alone and keep it the way you have it.