Bergger Warmtone Print is a specialized black and white paper developer designed to give warm to very warm tonality depending on paper type, dilution, and development time. Besides producing a distinct print color, this developer is also characterized by its wide range of densities, its flexibility in terms of various dilutions, and its suitability for use with chlorobromide papers. This is a 1L bottle of liquid concentrate, intended for dilution between 1:7 and 1:12.