Caffenol Notes

 

Recipe

1 L Water at 20C
54 g Sodium Carbonate (Washing Soda [not baking soda!])
16 g Vitamin C Powder
40 g Instant Coffee
16 g Iodized Salt (optional and helps reduce fogging)

Development Times

Varies between 5 to 12 minutes

Alternatives to Instant Coffee

Powdered Green Tea such as Matcha
Cocoa Powder

Development Times (20C)

Adox Pan 100 ISO 16x20: 12 Min
Arista EDU Ultra 100 ISO Roll: 8 Min
Arista EDU Ultra 400 ISO Roll: 15 Min
Bergger Pancro 400 ISO 16x20 Sheet Film: 13 MINs
Shanghai GP3 ISO 100 16x20 Sheet Film: 10 Min
Ilford FP4 Plus ISO 125: 12 Minutes