On Feb 15, 1:29*pm, cavalamb himself wrote:

It should also be about to hold spilled or leaked acid without leaking
acid into the boat.

Id add that battry acid in the bilge is not a real problem
unless............ there is also salt water. I belive that electrolite
and sea water do some black magic and create some type of deadly
gas.... ANy chemist out there?

Bob