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

previous by date	index	next by date
previous in topic	topic list	next in topic

Subject: Re: [Homebrew_PCBs] Re: trying to do the right thing

From: Leon Heller <leon355@...>
Date: 2013-03-11

On 10/03/2013 21:20, Rick Sparber wrote:

> Leon,
>
> So is there a % concentration I should look for?

90% should be OK.

Of course, you can do the same by bubbling air through the etchant.

Leon
--
Leon Heller
G1HSM