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			 So I just recently purchased a mag 36 from a fellow member and was reading up on it. Is it true that return pumps are huige energy users?? I almost fainted when i read how much this thing will cost to run on a monthly basis (based on estimate, $30/month approx). This can't be right...or is it? I was always worried about mH lighting. If this is true, is there a more efficient return pump I can use? 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			 Yes Danner MAG pumps are notoriously inefficient.  Look at an external pump like a Dart or Little Giant.  Better GPH/Watt ratio's 
		
	
		
		
		
		
			
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	Dan Pesonen Umm, a tank or 5  | 
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			 I run a Mag18 for my return (1800GPH), this replaced an OceanRunner6500. I haven't seen any change in energy usage, or it going up. I don't think Mag's are that bad. 
		
	
		
		
		
		
			
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	![]() Setup: 180G DT, 105G Refuge (approx. 300lbs LR, 150lbs Aragonite) Hardware: Super Reef Octopus SSS-3000, Tunze ATO, Mag 18 return, 2x MP40W, 2X Koralia 4's Wavemaker Lighting: 5ft Hamilton Belize Sun (2x250W MH, 2X80W T5HO) Type of Aquarium: mixed reef (SPS & LPS) with fish Dosing: Mg, Ca, Alk  | 
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