Please help?

  • We are currently upgrading MFK. thanks! -neo

snshn56

Candiru
MFK Member
Apr 17, 2006
229
1
48
USA/Missouri
For some reason, all my fish are hanging out at the top of the tank? Can't figure out why. Just started all of a sudden 2 days ago.....
 
they are gasping for air.. do water change..test perimeters....
 
What are you using for water circulation? Make sure your filter return flow is breaking or at least agitating the surface of the water.
 
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