Paper developer for neutral to blue-black tones.
The tone depends on the paper. The maximal black is very deep, yet the shadows show full details.
Dilution: 1+10 to 1+15, Dmax is independent of dilution
Developing time: 3-4 min. At higher dilution (1+20) time has to be longer.
Long developing times support the cold tones.
1000 ml concentrate for 10-20l working solution
Shelf life: 3-4 years, after opening depending on liquid level 1-2 years
Life of working solution: 4-6 months in bottle without air
Capacity 1000 ml concentrate: 350 sheets 24x30cm