> everything nearby that was made of steel. I think what happens is the > FeCl3/water mix slowly releases HCl when hot. Also FeCl is very hygroscopic and spilt powder and FeCl fumes will attract water like nobody's business and rot any iron in the area http://www.answers.com/topic/ferric-chloride -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist