Can You Make Wine Without an Airlock?
The Bottom Line? You Can Successfully Ferment Anything Without an Airlock, but Being Inexpensive and Readily Available, It's Simply Better to Get One. on the...
The Bottom Line? You can successfully ferment anything without an airlock, but being inexpensive and readily available, it's simply better to get one. On the other hand, wrapping plastic with a few punched holes in it, aluminum foil, or a plastic bag, a rubber glove or balloon, they'll all work just fine.
What can you use instead of an airlock?
A sanitary piece of aluminum foil crimped over the top or even a plastic baggy with a rubber band on the outside (either use a new roll/box or pour some of your favorite high proof liquor on it just to be sure) should do the trick.
What happens if you ferment without an airlock?
The reason you use a fermentation airlock is to protect the wine from contamination. ... Leaving the lid and airlock off will allow the primary fermentation to start sooner and continue more rapidly, but it can also leave the fermentation susceptible to contamination should it not start in a timely fashion.