For replenished and machine processing applications Ilfotec HC Developer is used in conjunction with Ilfotec HC replenisher liquid. To use Ilfotec HC replenisher, the concentrate is first diluted to make a stock solution. The replenisher stock solution must be further diluted for use. The degree of the replenisher dilution will depend on the developer dilution being used. Do not use Ilfotec HC replenisher as developer.