Kodak's DK-20
Water @ 125F
Elon
Sod. Sulfite (annhy.)
Sod. Carbonate
Sod. Thiocyanate
Pot. Bromide
Water to make
750ml
5.0g
100g
2.0g
1.0g
0.5g
1.0L
Average development time was 15 min. in tank at 68F.