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My recipe for 350 ml Caffenol C H:
6 tsp. coffee, 3 tsp. washing soda, 1/4 tsp. vitamin c & 11ml solution made of 10 gramms kalium bromatum and 300 ml destilled water
Developing time: 20 min (Agitation the hole 1st minute than 3 times every minute)
arurin & shoujoai.