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

--- 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