When you get the 3rd degree, you stop brewing beer.
When you stop brewing beer, life becomes pointless.
When life becomes pointless, you go join the circus.
and when you go join the circus, you give elephants rectal exams.
Don't give elephants rectal exams.
Follow Paisano's instructions on building a carbon airlock filter and don't let this happen to you! He details each step in the following link.