Coffee Ascorbate

This project is to investigate and perfect (as much as possible!) completely non-toxic developers made from coffee and vitamin c.

The Handmade Film Institute came up with this recipe, which is a decent negative developer, and can be used as a starting point.

Dallas' run of an existing recipe


The original document is available at http://www.handmadefilm.org/research/tiki-index.php?page=Coffee+Ascorbate