If you need help knowing if your airlocks are blooping, you need what I have- an "Airlock Activity Monitor".
[ame=http://www.youtube.com/watch?v=W0GngOsSryc]DSCF5982.AVI - YouTube[/ame]
[ame=http://www.youtube.com/watch?v=W0GngOsSryc]DSCF5982.AVI - YouTube[/ame]