Excellent. I got the impression though the pump was run 8hours a day for several years as a "protein skimmer" (no clue what that means) it was treated well.
Um, how do you "properly maintained" a pump? Change the seals ever once in a while?
Any thought on reference to Iwaki noise vs. Csystems, the quiet Eheim model, and/or the MCP600?
Thanks
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