"Bruce In Bangkok" wrote in message
...
Which brings up a question I have always wondered abut.

When flushing a toilet connected directly to the ocean one pumps
flushing water through the system until, it is hoped, all evidence of
one's actions have been eliminated. But how about when one is using a
holding tank. Doesn't all this flushing tend to fill up the tank
rather rapidly

On my own system which has the toilet mounted with the top of the bowl
just above the water line, using the normal anti-siphon "loop", it
takes ten strokes of the pump to pump water completely through the
system. I have no idea what the volume of the pump is but I suspect
that ten strokes is a lot more then the approximately 1 qt. that I see
in the usual holding tank capacity calculations.

Cheers,

Bruce
(bruceinbangkokatgmaildotcom

Yah, this procedure isn't very good for holding tanks. Much more aggressive
acid/vinegar process needed for HT situations where you'd want the least
possible fluid transfer...

L8R

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