
seriously, this is the coolest fish room EVER. you're living my dream.
thanks for sharing your collection, i'm thoroughly enjoying this thread! that paint diagram was an awesome visual too, thanks for taking the time to do it. if you can get one of these photography nerds over there to snap some pro-quality pictures, that would be amazing

! ...i say "nerds" with affection.
i'm curious, how often do you clean and replace the cartridges in your system 3 filter? also, do you ever backwash the ultima, if so, how often?