*Due to the chemicals in this product, it is available for in-store pick up only. Acufine developer replenisher (powder) is made for Black & White film. It makes one Gallon. This formula features high acutance, ultra fine grain and maximizes film speeds. This replenisher works with Acufine developer to extend the life of the developer solution. Usable with all film types within a temperature range of 70° to 85° F. Exclusive to powder form, no liquid form available. Suitible for low-light or lower available light shooting. Brings out the crisp vibrant features of your negatives.