A
Water @ 125F Pot. Metabisulfite Pyrogallic Acid Water to make	750.0ml 25g 100g 1.0L
B
Water @ 125F Sod. Carbonate Sod. Sulfite Pot. Bromide Water to make	750.0ml 44g 50g 1.2g 1.0L

Ensure that the potassium metabisulfite is dissolved before adding the pyrogallic acid.

For tray development, mix 1 part A, 10 parts B, 9 parts water. Develop for 2-1/2 to 5 minutes at 68 F (20 C). For tank development mix 1 part A, 5 parts B, 20 parts water. Develop for 5 to 10 minutes at 68 F (20 C).