Re: gum mixes
I'm sorry Chris I got my ratios and my millitres mixed up. I use 5ml sat dichromate and add 5ml distilled water (1:1 ) then 10 ml gum plus pigment.. Exposures are in the sun for between 30 and 45 seconds. I only print between 10 am and 2 pm. Sorry about that DavidH
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