MvM;306466 wrote: Wow. Putting a fish in a glass box doesn't fool instincts?
Seriously? My wrasse, goby (neon), and clowns all acted the same, sand or not. The corals are what suffered. A sandbed has ZERO importance to fish unless you have one that relies on it. jawfish, SS gobies, wrasse that sleep buried in the sand, ect.
It's merely for aesthetics. True, there is beneficial micro fauna in there, but there benefit is to remove waste and provide food to fish. If you don't have a sand bed to trap all of the junk, they are not needed.
Look, I can't argue that a tank with no sand is as athletically pleasing as a tank with sand. That's why I added it. But I truly hated the results of the sand trapping waste. The main thing that I noticed was my glass growing algae quicker, and bubble algae popping up. I also lost a super girl colony and a few of my other corals seemed to suffer a little. I have a high bio-load, so the only way for me to sustain it is BB.