Replenisher for Ilford ID68 developer.

IngredientQuantity
Mix ingredients in order.
Sodium sulphite anhydrous85grams
Hydroquinone8grams
Borax10grams
Phenidone0.22grams
Water to make
1
liter

Add to the developer tank as required to maintain the level of the solution. Under normal working conditions, where the tank is in regular use, a total quantity of replenisher equal to that of the original developer may be added before discarding the developing solution.