That's what Eirik wrote:
I promised Reinhold a long time ago I would write an article on the (RS) and (RSA) versions of his recipes.
Dedicated to the power of Caffenol and Caffenol-C film developer made of:
instant coffee, washing soda and vitamin-C.
Competes with the best developers available
This developer deserves more attention.
Time for a cup of coffee....
Ifyou are new to Caffenol development or looking for the basics, please start from the beginning, first post March 2010