Ilford Ilfotec RT Rapid Developer Replenisher is a replenishable developer for machine processing all general purpose black and white films, it must be used in conjunction with Ilford Ilfotec RT Rapid Starter solution

It is the recommended developer for the Ilfolab FP40. It is not recommended for developing films in dip and dunk (hanger) or rotary tube or continuous long leader processors or deep tanks, spiral tanks and dishes (trays).

 MFR #1878176