I have used the
Dry-Z-Air things for quite a few years, a lot of that in Seattle where it's terminally wet all winter. Their available at any Wally World or Home Depot.
If Damp-rid is anything like that I'd say it works great.
Also, gotta have a good, breathable, Sunbrella cover on your boat.
(Message edited by bill_airjunky on October 23, 2008)