Ansco 12

Water @ 125F
Elon
Sod. Sulfite (annhy.)
Sod. Carbonate
Water to make
750ml
8.0g
125g
5.75g
1.0L
This fine-grain formula keeps well and makes an excellent tank developer. Do not dilute for use. Develop 5 to 10 minutes at 68 F (20 deg C).