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Subject: Re: Ferric Chloride - muck at bottom of tank question

From: "fenrir_co" <fenrir@...>
Date: 2006-05-08

--- In Homebrew_PCBs@yahoogroups.com, William Carr <Jkirk3279@...>
wrote:
>
>
> On May 7, 2006, at 12:07 PM, fenrir_co wrote:
>
> > You can get 40 volume H2O2 (peroxide, hair bleach) at Sally Beauty
> > Supply without needing a license or whatnot to purchase it.
>
>

'Volume' doesn't mean percent. I'm not sure of the exact conversion,
but I believe the strength is only about 15/20%. They have 60 volume
as well, but only in cream, not in pure liquid.