VERY FAST DEVELOPER
WATER H2O 750ml
Metol (C7H10NO)2SO4 1g
Sodium sulfite Na2SO3 40g
Hydroquinone C6H4(OH)2 25g
Potassium bromide KBr 8g
Potassium thiocyanate KCNS 9ml
Sodium hydroxide NaOH 20g
WATER TO 1000ml

Dilute sodium hydroxide separately

Developing time ~1-2min

+2 exposure for very old films