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Old 08-07-2014, 05:29 AM   #14
FF
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Join Date: Oct 2007
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On our 90/90 we chose to discharge directly to the sea.

A Seacock was located well underwater (liveaboard in the NE where the bay freezes) set so when the rubber hose is disconnected from the sink a broom stick could be used to clear a clog.

The sink bottom plumbing is above the WL , so disconnecting the drain does not cause water to enter.

This system with a bladder could be used , and the bladder removed , to gain its space when finally going to sea.
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