Re: newbe question about freshwater tanks
I'd walk... these are not good boats, and taking on that kind of issue is not necessary in today's market.
Unless you're truly hankering for a project, you'll be out a lot more than $800 and still have a boat that's not worth much at all...
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)