On Fri, 05 Apr 2013 10:08:50 -0400, Bob Engelhardt
wrote:

On 4/2/2013 3:17 PM, Ivan Vegvary wrote:
...
The concrete route sounds interesting...

A big advantage of water-filled is that you can vary the weight.
Half-full of water works, half-full of concrete not so well G. Bob
The advantage of concrete is if you start full it stays full. With
water, after a few years you start full and end up hald full - not to
mention what happens if you get a good overnight freeze with the
barrel full - - - - - - - .