Kodak D-61a

Positive film developer

Water 125F/52C500ml
Metol3.1g
Sodium Sulfite (anhydrous)90g
Sodium Bisulfite (anhydrous)2.1g
Hydroquinone5.9g
Sodium Carbonate (monohydrate*)14g
Potassium Bromide1.7g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: 1+1 (tray) or 1+3 (tank)
Usage: Starting point dev time: 6 mins (tray), 12 mins (tank)

Notes 

*multiply amount by 0.833 if using Sodium Carbonate in anhydrous form.