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					Originally Posted by  Myka
					 
				 
				One more thing to note... 
 
What type of drain are you going to be using?  Any of the siphon-style drains that utilize a gate valve (Herbie, Bean Animal, etc) perform better with an AC pump rather than DC since the output on DC has a tendency to vary slightly during the day which messes up the adjustment of the water level.  You will get a consistent output from an AC pump.  Some people don't seem to experience this issue - I've seen it myself, a lot.  I no longer use DC pumps for returns on siphon-style drains. 
			
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+1
Explained very well, had same issues with controllable pumps
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