Quote Originally Posted by hka View Post
Is it possible to use Ammonium Thiosulfate instaed
of Sodium Thiosulfate as Hypo in Farmer's reducer??
I'd be careful with that. Potassium ferricyanide itself
is and oxidizer. It oxidizes elemental silver into silver
ferrOcyanide. What it will do to ammonia I couldn't
say. You could do as some others and fix after
the "bleach". The fix is the "bleach". Dan