Galabar Posted May 13 Share Posted May 13 (edited) I noticed an interesting experiment online where various filters were set up and ammonia added over a period of time to determine the efficacy of various filter types. One interesting finding was that the tank gravel alone was not very good at converting ammonia, with cannister and undergravel filters doing a solid job, and large fluidized beds being the best. Has anyone tried this? Edited May 13 by Galabar Link to comment Share on other sites More sharing options...
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