How do i prevent bubbles from aqua c remora?

[rubberduck]

i set it up for over like 24 hours and it seems to be creating skimmate but bubbles seem to seep out of it. is this normal and please tell me how to stop it. thx alot i would love an answer asap.
travs

 

[thegrog]

Sounds like a normal part of the break in process. The bubbles will go away in a week or so. Nothing to worry about.