http://www.sailnet.com/store/item.cfm?pid=19593

At an hour's work for a quart of water, you won't be taking many showers.

"bg4a" wrote in message
om...
The actual membrane part of the RO unit under our kitchen sink is rather
small. If one were doing a long hike along a very remote beach (10+ days),
a small hand pumped RO thing could make much more sense than trying to haul
all that water. Also, I was thinking that sea kayakers might want be
interested in sea water without all the salt. Any ideas here? thanks bill