(jamesgangnc)wrote
And that's why filling with expanding closed cell foam is a good idea.

In most cases its not needed, costs much more, and you can't control the
buoyancy as easily.
With a shot of 79/21 you just add till level.
What if he wants to add a dockbox, or a swim ladder later on? You just
can't open the bung on a barrel and add or takeout foam, but you can
with air, and on the rare occasion, Its also the easiest way to pull a
bad barrel and replace it. BTDT
Sometimes the simplest way is best. UD