Moersch MT8 is a basic three-part copper toner for use with photographic black-and-white papers.
The working solution is obtained by mixing the three components included in the kit. After that you may dilute it with water at a ratio of 1+1. If stored in a dark place the concentrates have a shelf life of a couple of years. The working solution can be stored for between 3 to 6 weeks.
Kit includes stock solution for the preparation of 3,5 to 7 litres of toner solution.