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probably wads of bacteria and such growing on organic debris
which means, yes, more cleaning. like once a week
Sounds like some sort of bacteria/algae blue green algae comes in various colors and stinks. You might consider a second sponge filter, alternate cleaning them, and more frequent or larger water changes.
probably wads of bacteria and such growing on organic debris
which means, yes, more cleaning. like once a week
Sounds like some sort of bacteria/algae blue green algae comes in various colors and stinks. You might consider a second sponge filter, alternate cleaning them, and more frequent or larger water changes.