Quote:
Originally Posted by RDM
The Mag pumps seem rock solid but they generate a lot of heat. I had a 9.5 on my SVS24 but replaced it with a DC pump. Near as I can tell that took three to four degrees of heat out of my tank. Instead of the temp running 83 it now runs between 79 to 80 and I've been able to turn my chiller off. Heat management can be a big deal here in FL. I can't imagine a mag12 running cooler than a mag9.5.
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I find that extremely hard to believe unless you have very small water volume or you do not keep your house cool... I'm in texas. My Temps with halides used to peak at 82. I went to LEDS and my tanks stable at 78 np. mag 12, mag 9 and mag 7 all running on a 90 gallon... tried DC 6000 on my skimmer for a bit instead of mag 9 and my heater still barely ran more.