Adam,

FWIW, I chose to use playground sand instead.  I filled Freezer bags each
with 10lbs ea.

I found the sand a lot easier to get and a lot easier to dispose of.  Easier
to clean up too!  Also great for car trunks and walks in winter!

Ed McCauley
Milford, NJ
Lancair IV-P -23.493 +/- 30% Complete