The method I used for Solution VX200 (c-41 process), and It works! 500ml of water 25 g's of Sodium Carbonate 7 g's od Ascorbic Acid 20 g's of Coffee. Developing 12minutes, initial agitation 10 times, then 3x agit. every 60 sek. After that, 3min of fixing in Foma Fix 1:5.