Quote:
Originally Posted by reefme
What size hose do you run it upstairs? 3/4 or 1"?
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I run 3/4 to the upstairs tank, even though the Sedra pump output is 1". But that's what I had with the Mag 18, and didn't want to change it. The upstairs return line also goes through a UV light (turned off for now), so that doesn't help.