Katherine suggests using a formula that adds salt to ammonia
combined with the LOS. I would like to know what fumes this
combination would produce (John Burgess, are you reading this?).
Sorry I haven't been watching my Orchid email diligently. The
addition of ammonia and salt go under the same principles of adding
mordants to fiber dyeing. Mordants intensify and/or stabilize colors.
There are recipes for other types of patinas using different mordants
that have different effects. Some bring out blues more, or reds, or
muted colors, depending on what you add to the LOS. All of my recipes
use common household ingredients for the mordants.
When I teach the patinas, I set up all the different formulas so
everyone can experiment. Almost everyone likes the irridescent patina
A good rule of thumb is if you can smell it--ventilate. If you can't
smell it--ventilate anyway.