Second developer after Lith
Variant 1 (old) taken out of the delivery programme
Conventional catechol developer (SE30C) 100ml and ammonium chloride 100ml.
If available, the SE30C (litre bottle) can still be used. The new variant has the advantage of a several years longer shelf life.
Variant 2 (new)
new formulation of pyrocatechol developer.
The kit contains:
stabilised acidic solution Catechol 100ml
Lith B as activator 100ml
Ammonium chloride 20% 100ml