Volcanic rock
Douglas Westfall (Fri, 26 Jul 2002 03:25:03 PDT)

Mary Sue,

Have you tried using decomposed granite in your mix? It is inexpensive but
rather heavy.

I use d.c.(2), coarse sand (3), fine redwood (2), super soil (2), and
perelite (1). I do not find that most SA bulbs are too picky.

Doug