Ilford ID-9

Amidol film developer

Water 125F/52C750ml
Sodium Sulfite (anhydrous)100g
Amidol18g
Potassium Bromide4g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: Use undiluted.
Usage: Starting point dev time: 6-10 mins.

Notes 

This developer has a very short life use immediately after mixing.