I don't have a Fluval FX6 but i do have a Fluval 405 with a 72 gal bowfront. I had no complaints except for cleaning every 2 weeks. I don't want nitrate spikes. I just bot a sump and i believe it is for the better. For the money you will pay, i am sure you could get a nice sump/refugium setup. How large is your tank?
I use the FX6, nitrates are always an issue, even though I rinse the filters once every week or two and change my Chemipure every two months. Going to upgrade to a sump soon.
I use the FX6, nitrates are always an issue, even though I rinse the filters once every week or two and change my Chemipure every two months. Going to upgrade to a sump soon.
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