Moersch SE3 Cold is an ascorbic phenidone based paper developer designed to produce a neutral to cold image tone. The developer comes in two parts (500ml) that can be mixed up to a ratio of 1+1+40. This dilution gives a development time of 2 minutes.
Dilution: 1+1+20 to 1+1+40.
2x500 ml concentrate yield 10-20 litres of working solution.