Originally Posted by Relayer
The unique feature of my developer, if I ever manage to produce a stable form,is intended to be that all the ingredients should be available from small town local shops, not internet.
Viz:Paracetamol/Tylenol (aka acetaminophen), Sodium hydroxide (aka caustic soda or lye), Ascorbic acid (aka vitamin C), Washing Soda (aka sodium carbonate mono- or deca-hydrate) and Baking Soda (aka sodium bicarbonate).
My health food store carries ascorbic acid but not sodium ascorbate. I cannot buy borax in local shops any more, there is some kind of EU ban. So I cannot use the chems you suggest.