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#1
03-10-2010, 06:19 PM
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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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#2
03-10-2010, 08:22 PM
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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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