eyebeatbadgers-the pump I have running is a 65gph with an external sponge filter connected. I don't know if adding 10 more cardinals to my list would be a bit much on the bioload list as for the fact I chose 29 fish already. Though I do agree about a bigger group and I'm hoping that they'd befriend my rummies --------- I want your opinions about filtration for a natural planted tank of this size.
P.S. Would all of the fish and plants I prefer be ok for a 6.3-6.5 pH?
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