bubbles

Anyone have any ideas how to stop it? Air is clearly in the canister, as it makes a loud sloshing noise as it runs. But I have checked EVERYTHING. I have no idea how air is getting in. There are certainly no leaks anywhere. If I unplug the filter, the air will purge. Same thing when the...

i run 6 33 longs with a central sump and i have been having a problem with my pump pumping tiny air bubbles in to the tanks and i cannot figure out where will this cause stress for my fish? there is a whole lot of bubbles

Stole this from MFK Will an open airline blowing huge bubbles is going to generate a lot more movement than an army of tiny bubbles. But the army of tiny bubbles will provide a more consistent pull instead of a pulsing one, right? Does anyone know the pros and cons of airstone vs. open line...

http://wimp.com/dolphinbubbles/