Internal Vs Sponge Filter

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bronzecat

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Hi all

Now we have three males, two are in a 30L with divider in place.

We have an aquaone internal filter which i have placed as near to the divider as poss. I have made more holes in the divider which line up with the intake.

I've slowed the flow up on the outlet as much as poss, but not really happy with the water circulation now i've slowed the flow.

If i ran a air pump run sponge filters on either side would this be good enough? Its only the two bettas in there.

Cheers
 

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