Moersch photographic chemicals is a unique chemical line made in Germany created for the fine art printer.
Moersch SE5 Master Lith Printing Paper Developer (Part C Only)
Simple Sodium Sulphite solutions go off in a few days and their effectiveness is almost literally lost to the air through oxidization. This solution is very stable and maintains full effectiveness as long as the solution remains colorless.
|BW Paper Developer
Black and White Chemicals