if you're worried about your lungs, don't use silica sand, find some garnet, then when the neighbors aren't home, stay upwind and let'er rip

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics