My tank has been a bit underfiltered lately, so I'm adding a filter and wanted to see what you think about the setup. Any advice etc.
I have a 65 gallon tank (~260L) with 3 goldfish in it. It has a Fluval 205 on it now that has 1 basket of ceramic chips and 2-3 baskets of carbon.
I was going to remove most of that carbon and add more ceramic chips (ammonia is not a problem), but I picked up a used Fluval 404 (actually 2 of them) yesterday. I've bleached them out pretty well, and I was thinking about leaving the 205 about how it is, and adding the 404 to the tank filled essentially entirely with ceramic chips.
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