Ilford ID-3a

A

Water @ 125F
Elon
Sod. Sulfite
Water to make
750.0ml
12g
50g
1.0L

B

Water @ 125F
Sod. Carbonate
Pot.Bromide
Water to make
750.0ml
87g
2.0g
1.0L
For Tray Development, dilute 1 part of the above stock solution with 2 parts of water. Develop 3 to 5 minutes at 68 F (20 C). For Tank Development dilute 1 part of stock solution with 5 parts of water. Develop 6 to 12 minutes at 68 F (20 C). Available as an Ilford packed chemical in sizes to make 1 U.S. gallon, 1000 ml, 2.5 liters and 5 liters, metric measure, and 80 ounces, and 1 gallon British Imperial measure.