You're awesome Sassy!
I'm using the 'copper etching solution' from Graphic Chemical. Now it says on their website that it's ok for zinc too, but I've seen elsewhere, that zinc and ferric chloride create serously toxic chlorine gas.
I think I'll take the safe route!
this is what Nik Semenof suggests on his site for etching zinc;
CuSO4 (copper sulfate -- bluestone) 1 kilogram
NaCl (sodium chloride -- table salt) 250 grams
NaHSO4 (sodium bisulfate -- Sani Flush ) 25 grams
H20 (water) - depending on bath strength 10-20 liters
Have you tried this? It's supposed to be relativly safe.
I wish I'd have paid more attention in chemistry class...
You used all the glue on purpose!! (for Cheryl)
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Artworks by Gisela Towner