Feature●Rapid Access Crystal Powder Developer●Easy-to-mix crystals which dissolve readily in water●Can be used with all imagesetting films, camera films, contact and duplicating films and graphic art papers●6 X 20 liter pouches makes 30 GallonsDescription Easy-to-mix crystals which dissolve readily in water. Our rapid access developer and fixer can be used with all imagesetting films, camera films, contact and duplicating films and graphic art papers. 6 X 20 liter pouches makes 30 Gallons.