Originally Posted by tsiklonaut
Last week. It was actually a test of 6+ years old opened MACO Lith concentrates that have been brewing (oxydizing) in my cellar while I was away from my country for some years. It is so wet in the cellar that all the labels of the bottles have peeled off! And 7+ years old opened package of MACO Lithpaper staying at room temperature. Didn't expect the chemistry and paper emulsion to work so good after all those years. I have some Moersch Lith stuff I want to try next.
That is unbelievable!
Lith developer in working solution expires in a matter of days.
How can a concentrate stay active that long?
And your print is a strong contribution to this thread.