04-04-2009, 09:13 AM
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i have a few submersible pumps.
two mag 7s, two mag 9.5s, one 24. i like these, they seem well made, heavy and solid. the larger ones will raise your temp a few degrees but thats prob. the only downfall i see. there may be a slight hum but inside a stand i dont think you will hear much.
i also have a quietone pump. easy to take the impellar out for cleaning. doesnt seem as well made as a mag. light and seems to have more plastic. i have yet to plug it in, so i dont know how loud it is, if the name is what it is, then i would assume its quiet.
anyways, in your shoes i would get a mag. since your looking for 6-900 gph the number of the mag is that much gph. for example a mag 9.5 is 950gph and a 7 is 700. keep in mind a pump will have some head loss. this is the gph that is lost due to the height the water has to be pumped. i know with the mags the first 4 feet isnt much of a loss.
how are you planning on getting the water down to the sump? the pumps going to pump the water up, but whats going to get it into the tank, locline?