Two-component, normal-working developer in powder form. The developer is designed for the manual and automatic processing of all sorts of black & white negative and positive photomaterials. The content of the smaller and then of the bigger bag is dissolved in 800 ml of warm water (50 to 70°C) and the solution is filled up with water to the final volume of 1 litre.
Dilution for films: 1 part of developer + 3 parts of water
Dilution for photo papers: For the processing of photo papers the developer should be used undiluted.

Tech Pub. Foma Universal