Alternatives to Glyoxal

March 13, 2014

rabiephotography asked: Hi Tony, always amazed by your work and generosity! thank you very much! I am just starting the process and was wondering what other alternatives to Glyoxal can I use? I can’t seem to find here (NZ). Cheers

Besides formaldehyde which since 1997 has been reported to have links to cancer and has been banned, Glyoxal is the only alternative I know of; and can be found at Photographer’s Formulary:

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