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: Ferric chloride staining PCB substrate
From:
roylowenthal@...
Date:
2017-07-04
Oxalic acid is also sold as, "wood bleach" usually findable in hardware or paint stores.
Roy