Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: Hydrogen Peroxide Source
From: "H1000100" <h500ca@...>
Date: 2011-05-06
In Canada, none of the pool and spa shops carried it. I ended up getting 35% food grade peroxide at a health food store. 5 years ago, it was $17.00 for 1 liter. That amount will last a very long time if you're etching with CuCL. My bottle is still nearly full.