Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Bob_xyz" <bob_barr@h...> wrote:
>
> --- In Homebrew_PCBs@yahoogroups.com, "Leon Heller" 
<leon.heller@b...> 
> wrote:
> >
> <snip>
> > 
> > I think 30 vols means that it produces 30 x its volume as oxygen 
gas.
> > 
> 
> Exactly. I just found that out today. Volume 20 is 6% H2O2, volume 
30 
> is 9%, and volume 40 is 12%. 
> 
> It's a bit better than the drugstore 3% strength but not by all 
that 
> much.
> 
> 
> Regards, Bob
>
Ok guys , I finally found %35 H2O2 , and finding it was a lot easier 
that i tough , so guys if you need it , go to an Hydroponic Supply 
store , it's being use in fertilizer receipies !!!! in my area there 
a store like that in every city so i got 1000 ml bottle for $14.00 
canadian !!!!

Bruno