"Dave Hinz" wrote in message
...
On Fri, 04 Mar 2005 12:23:13 GMT,

B a r r y
I fill the extra space with glass marbles from Toys-R-Us. They're
reusable, easy to separate from the varnish, and glass is inert.

Well, that won't work, the empty space is at the top, and the marbles
go to the _bottom_. Honestly, Barry, you of all people should have
thought of that.

Dave Hinz

Commonly done by wine makers to eliminate the air gap at the top of a
carboy. Works well.
Ed