bibowski
Active Member
I bought an airlock in a kit from my local homebrew store, but I didn't see anywhere if I was supposed to put water (or I've even read vodka) into the airlock itself.
Is the only reason for doing that so you can see bubbles travelling through the airlock? Or does it serve another purpose?
Is the only reason for doing that so you can see bubbles travelling through the airlock? Or does it serve another purpose?