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					Originally Posted by  hillegom
					 
				 
				You say you want to build 6x3x3 
I would not go deeper than 2'    
 Hard to get down 3' to clean/move things 
Corals will not get enough light at 36 inches. But good for a FOWLR. 
As far as acrylic vs glass, I vote for glass. I have a friend that has an older acrylic tank, and it is starting to "craze" ( is that even a word?) Tiny little cracks that are structurally sound (so I am told) but not very pleasing to the eye. 
			
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 I've had a 3x3x3 and know the fun of working in the tank
I would have a hot shower, then get into it.
I just put on swimming goggles n hold my breath 
The corals will be higher up in to the rock ...