Re: Fluoride as an insecticide

J wrote:
> I came across an old can of insect killer that looks to be around 50
years 
> old. According to the label the only active ingredient is fluoride. I
opened 
> the can and observed an ivory colored powder. Do any of you old timers
in 
> this group know anything about this stuff? Would it be effective against

> brown recluse spiders? 
> 
> 
Fluorides are toxic but I don't think selective. Doubt if spiders would 
be attracted to it but if they pick it up in their travels and get it in 
their systems it should kill them.  I would not use in the presence of 
pets or kids.

See MSDS: http://www.jtbaker.com/msds/englishhtml/S3722.htm