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					Originally Posted by  byee
					 
				 
				I just picked up a Mag 5 from JL for $68.  They have a special on them.....15% off. 
 
My head height is just under 4' with a 25g sump. 
 
I'm hoping turning over the tank 7x is adequate opposed to using a Mag 7 with a turn over rate if 10x. 
 
Good luck! 
			
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 You could always put a valve on it and tone it down too with a more powerful pump.  This way it gives you the option to throttle it up if needed.