Nano cube making noise?

oak

Member
I just filled my 12 gallon nano with water and the filter is making a loud noise. Is normal?
 

crt81

Member
Is it filled so that the pump is sumbmersed and if not that could be the reason why it's making the noise it's making.
 

gregzbobo

Member
take the pump out, disassemble it, check for debris, clean it if needed, and carefully reassemble it. Sometimes just disassembling then reassembling a powerhead type pump will cure noise.
 
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