Caffenol Black

Caffenol film developer

Soluble Cheap Coffee (not decaf)20g
Washing Soda (Anhydrous Sodium Carbonate)5g
Mixing Instructions: Mix coffee in 1/2 liter water until it has no grain. Add soda, mix until all grittiness is gone and solution is uniform (if needed, add more sodium carbonate until a pH of 10.4 is achieved). Complete with water to make 1 Liter. Wait no more than 5 minutes until microbubbles clear. Use immediately as one-shot.
Dilution: Use undiluted.
Usage: 60 mins.


Gives no stain, no fog and small grain. Thanks to Henrique Sousa for supplying this recipe.
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