I have my 220 that my dovii will go into when big enough right now it's filtered with a wet/dry filter that has about a 5 gallon bucket amount of bio balls. I'm wondering if I should add some ceramic rings in the sump part they will be under water 100% of the time. Or if I should add purgen or both or if there's anything else I can add to improve my filter to make for the best tank for my dovii
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