The ILFORD 2000RT developer is a liquid concentrate chemical designed for high temperature, machine processing of resin coated, black & white photographic paper. Once diluted it can be used as both the process tank & the replenisher solutions. The 2000RT developer is economical, easy to use, clean working, robust & has a high print capacity. It's capable of producing superb quality prints from all ILFORD RC papers & the high quality RC papers made by other manufacturers.