Up North Posted December 23, 2022 Share Posted December 23, 2022 I have been thinking about filters and started to wonder if we over do it. Does the little biological media we put in our filters make a difference? We put 80lbs of gravel in a 55 gallon aquarium then think a few pounds of media in the filter makes a difference. Many just run a sponge filter and their tanks are just fine. Did we all fall for a huge filter scam? What are your thoughts? Link to comment Share on other sites More sharing options...
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