Drew - most anything can be a "health risk" if used carelessly, always use proper care with any chemical - "toxic" has a specific meaning, many products are considered "irritants" and "hazardous" in concentration, but not "toxic" .... I much prefer things that don't produce hazardous fumes when used properly, and are easily neutralized with water like phospho

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 & Rust-a-holics Unanimous parking lot