In general
Two-component, phenidone-isoascorbate normal- working positive developer in powder form.

Use

The developer is designed for the manual processing of all sorts of black-and-white photographic papers.
Preparation of working solution

Dissolve the content of the bigger bag and then of the smaller bag in 2 litres of warm water (40 °C) and after a complete dissolution fill up with water to the final volume of 2.5 litre.

Developing capacity

One package of the developer is sufficient to develop 3.75 sq. m and 7.5 sq. m of photopaper on baryta (FB) and resion-coated (RC) paper base respectively.