etching birds
Showing posts with label
aluminium
.
Show all posts
Showing posts with label
aluminium
.
Show all posts
Sunday, April 24, 2011
A word of warning about copper sulfate etchant
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Last year I posted the recipe for an aluminium and zinc etchant made from copper sulfate . I forgot to add something very important. Before...
Friday, January 7, 2011
A pint of that red stuff
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One of the problems with etching aluminium in copper sulfate is the buildup of Red Stuff (technical name unknown) that occurs in the etched ...
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