75 stock and set up - Page 3 - Tropical Fish Keeping - Aquarium fish care and resources
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post #21 of 21 Old 10-20-2011, 12:20 PM
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Originally Posted by slkb View Post
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.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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