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Subject: Re: [Homebrew_PCBs] Etchant options?

From: JanRwl@...
Date: 2003-05-22

In a message dated 5/22/2003 11:19:54 AM Central Standard Time,
cobra_neil@... writes:

> Also, the ammonium fumes may be a problem
> so I'm not trying to get as much info as possible before I actually try it.

Neil:

Be CERTAIN you either put that ammonium persulfate stuff in a GLASS
container, or use it up FAST, if it arrives in plastic! I bought a "minimum order"
(what was it, 2 lb?) once; came in a plastic container with screw-lid, so I put
it on the BOTTOM shelf of a cabinet after just TRYING some, and FORGOT about
it. Within six months, it had eaten through the plastic container, the bottom
(MDF) bookshelf, and the $$ carpet below! Dum! Need I recall the
"conversation" with my wife over that????? Jan Rowland


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