Hello everyone! I’m am new to the site and new to home brew. I ordered a deluxe kit form NB and finished my first home brew last night. I got the glass carboys. After transferring the wort to the 6 gallon carboy I inserted the sanitized bung and airlock. The bung kept pushing out. I finally got it to stay put for a few minutes so I left it over night. I checked on the brew this morning and the bung had came out and was sitting on the counter. No foam had came of the carboy. My question is…
Did I do something wrong? Should I dry off the bung before inserting it into the carboy for better grip?
What could the exposure to O2 have done to my beer? Is there anyway of knowing before I go to the effort of bottling?