Never Trust a RIO Pump!
Never had a problem with em. Have one driving the input into my refugium, and one driving my protein skimmer right now. They've been working for years.
Had a powerhead go on me in that manner though...was either a maxijet or a hagen. Black scummy stuff on the top of the water. Was just a circ pump in a bucket of spare rock though [img]smile.gif[/img]
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