Pump question for big Venturi skimmer

Ann Enomy

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In my new build (250g total volume, 24x72 DT with no canopy) I had jeff from Lifereef build me a custom sump, refugium and 40" tall skimmer and he is recommending a Danner Mag drive 18 (145w,495 BTU/hr) or 24 (265w,904BTU/hr) to drive the skimmer. My concern is the level of heat in the system if I use that pump. I already have a Neptune Cor-20, Sicce 6 and 7 running dual returns, refugiums and Reactors. According to AI that = 195W or 660 BTU/hr already in the system. For anyone who has experience, would that large of an AC pump cook my fish? For the skimmer, I need that high head pressure but also have already dropped a ton on this tank and am looking for an affordable pump (<$350) like the mag drive pump. If the heat should be of no concern in a climate controlled office I have no problem with the mag drive but if it is an issue what about some of the Chinese DC pumps? I understand may only get 2 years vs 5 years on that pump but I'm running out of cash now. I appreciate any suggestions.
 

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