<< In my opinion, lead shot is the best. If you got to any gun shop that
sells
reloading equipment, you can buy shot in 10 and 25 lb. bags. The bags are
heavy duty canvas and very conformable. I'd put 50 lb. in the anchor well.
If you don't like lead, they can also get you bismuth shot which is equally
dense. >>
You can also buy some bags of rocks at HD and place them where you need them.
Each bag is about 40-50lbs.
SF
Trying to dry out...