Homebrew PCBs

Leon,

So is there a % concentration I should look for?

Rick

-----Original Message-----
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
On Behalf Of Leon Heller
Sent: Sunday, March 10, 2013 2:11 PM
To: Homebrew_PCBs@yahoogroups.com
Subject: Re: [Homebrew_PCBs] Re: trying to do the right thing

On 10/03/2013 20:57, Rick Sparber wrote:
> Leon,
>
> My chemistry knowledge is small. What does "high-strength" mean?

The ordinary H2O2 you can buy is too dilute. You need the concentrated
stuff.

Leon