10-20-2011, 01:20 PM
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Originally Posted by slkb
i think some tanks will stay biologically stable w/o a ugf, although i was considering a RFUGF for the saltwater i plan on having. yea i was reconsidering the lighting too, i don't really care for hoods, i'd rather have a glass top and strip lights. and i was actually looking at the exact canister model today lol
I can't speak for saltwater, but in a freshwater tank it should (must) be biologically stable, and this is possible without any filter or with any filter, generally speaking. A balanced fish/plant load with or without a filter, or fish/tank volume with a filter (if no plants) balance, plus weekly partial water changes will ensure this. Speaking for planted tanks now, the filter's sole purpose is to move the water around.
On the larger tanks, a glass cover with a separate (from the cover) strip fluorescent light fixtures is a better way to go.