| mag pumps: have had them and still have them. Noisy, leak, problems starting after stopping, and they do heat up the water significantly. Would not buy another again.
AmpMaster: quiet and not a heat issue. Lots of people report problems with leaky seals. I ahve one running for one year without an issue whatsoever. However, I would not gamble buying one again.
Iwaki: great workhorses. Very reliable and last forever. Are noisy though and very expensive in my opinion. Would buy then again.
Little giant: affordable and great pumps. Maybe just as noisy as the iwaki. Would buy again.
Blueline: same as iwaki, but cheapper. Longevity not proven yet since they are new.
Sequence: ahhhhh, now we are talking. Great water movers. Good electricity consumption for the volume moved, and quiet. Little to no heat transfer. Will install 2 of the 5800 gph pumps in a few weeks. Will let you know later.
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Water is what keeps a ship floating, but it is also what sinks it.
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