Question about my refugium skimmer

the air line tube is on wrong it has to be on the water intake not the water output. take the pump off and toss that foam crap and put that air nipple on the intake
 
If this is the same pump (which I think it is) the bumps on the impeller will chop the bubbles ultra fine hooked up this way. The way you have it hooked up water is pushing up the airline and out of the tank. There should be some little round nipples on the hard plastic that the sponge is on just put the airline on one of those.
 
Anytime. If you need better pics I can get some more in the morning when the lights are on.
 
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