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Title: penny wise pound foolish
Review: I've owned three Penguin 200s and two Emperor 280s. The Emperors are flawless, but these Penguins, what junk! They become noisy; they rattle. They lose suction and overheat. They work beautifully for a few months and then the impeller starts to give out. I waste hours trying to position it perfectly so that it will draw again. What annoys me most of all is that the replacement cost of the impeller is 2/3 the costs of the new unit. I've now replaced all but one Penguin with an Emperor. It seems silly to have an Emperor on a 10 gallon tank, but they last and perform flawlessly. Save your money. I can't tell by looking but my experience shows that the build quality of the higher price model makes it well worth the difference.
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