Would you need the extra powerheads though? Surely there are some lying around town someone would sell ya for cheap if you needed some more.
I found the info about it being adjustable from 20sec to 3min on a different page, I just linked to the J&L page for simplicity. If you go to aquariumsystems.com and click Saltwater and then Accessories there's a blurb where it's mentioned in passing about the adjustability. (I'd just link the URL but the webpage is this primitive frame based thing and the URL doesn't show up properly).
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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