I'd think it would still need a lot of water re-use to make this totally
viable even with a ten fold decrease.
I often think that we have actually developed for too much capability to
send 'stuff' ie people etc, into space, and even long trips, before we have
cracked the fundamental problems of radiation, lack of gravity, and of
course supplies of spares and consumables.

Brian

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"Orson Cart" wrote in message
...

Supposing that the cost of space travel was reduced by
a factor of at least 10, and then there were many space stations
going for years on end.
Then would you expect there would be a space ship that just went
around topping up the water supply on such space stations?