Gevaert G.224

Ultra fine grain film developer

Water 125F/52C750ml
Metol6g
Sodium Sulfite (anhydrous)90g
Borax3g
Potassium Thiocyanate1g
Potassium Bromide0.5g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: Use undiluted.
Usage: Starting point dev time: 21 mins.

Notes 

Film must be given double the normal exposure (ie. expose 100 ASA film at 50 ASA).