I am looking for the ideal clean up crew that I can get for my rays in the 220 gallon. Looking for opinions and experiences! My idea is a school of tinfoils, a school of thin or wide bar silver dollars, and a school of giant danios or Congo tetras? The tins to eat the poo and left over food, the silver dollars to eat left over food and the danios or tetras to filter out smaller particle matter that the others won't bother to eat? Does this sound like an effective idea or not really?
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