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18-05-2018, 01:55 PM | #1 |
Senior Dragon
Join Date: Mar 2002
Posts: 3,495
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aeration and fish immunity
I find that is i do not on the air pump for my tank that still has a cannister filter running, my adult cichlid will have pimple like infections. With air pump on, those pimple infection sort of flatten and become red marks only.
Why is it so? |
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