I used one (Coleman Ultra 2500W) on the last power outage, out for 31 hours. It saved my tank and kept the basement suite reasonablely warm (19 degrees)with a portable heater. So, YES, definitely.  GOOD
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Mike
90 gal. FOWLR, 25 gal. Sump/Refugium with Chaeto Macro, 60lbs. Live Rock, Q.O. 6000 Return Pump, Wavysea Wavemaker, Aqua C Urchin Skimmer, 2-VHO (1-super actinic blue, 1- actinic white), Icecap 660 Ballast, Auto Top Off System, 2 Clownfish, 1 Brittle Star, 20 Hermit Crabs, 7 Small Mushroom Frags (attempting a mixed reef).
Last edited by MDG3; 12-31-2006 at 04:33 PM.
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