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					Originally Posted by  i have crabs
					 
				 
				I think your options will depend on your plans for the tank.  
I assume you mean that the tank will be viewable from both sides and 1 end pannels? 
If so having powerheads on the viewable end will kinda suck so i think vortechs on the nonviewable end would be nicer.  
Also if both side pannels are viewable then the rocks will probably be stacked dpwn the center of the tank so 1 vortec wont be that great, 1 vortech blowing down each side of the rockwork would be much better, mp20's shpuld be plenty in a 36" tank but if the money isnt a factor i would get mp40's and dial them back a bit if needed rather than find out you dont have enough power. 
			
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 Yes, I want it to be viewable from both sides and one end as you say.  I was kind of concerned about having the vortechs only because it seems like all my flow would be originating from only one side, but after reading what I have about the vortech pumps, it seems like it will produce excellent flow through the whole tank anyway, correct?