On Wed, 23 Aug 2006 02:06:43 GMT, Shortwave Sportfishing
wrote:

Actually, it's more like we need to figure out how to find out if
there is water there because of the way it's made, it's pretty much
one unit.

A surveyors moisture meter could probably detect water in the core but
water in the flotation foam would be difficult to verify without
cutting one or more access ports (assuming there aren't any now).