eyeonforever Posted December 15, 2020 Share Posted December 15, 2020 What brand of filter did they recommend to use in an aquarium? I already have 2 sponge filters running on one air pump and one sponge filter has a lot of air running through it and the other hardly any air at all. They both of air stones. Does anybody have an idea why they run differently? Link to comment Share on other sites More sharing options...
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