Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "lcdpublishing" <lcdpublishing@...>
> Although, it seems to me that the instructions for Ferric Chloride
> disposal are to dump it down the drain. If the instructions state
> that, I would have to assume it is safe to do so. Is it?

Neutralize it in washing soda first. Arm & Hammer or whatever brand you find
in the supermarket will do just fine.

FeCl3 is used in water treatment, as in drinking water, to deodorize and
disinfect. All the same, it takes only a few seconds and costs just pennies
to neutralize it before dumping.