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What is PQ?



>Maybe I missed it, but what is PQ?

Phenidone Hydroquinone (PQ) is a commercially produced print and film 
developer which has been around for many years.
BTW.   15 large eggs cost about one dollar. How is the Albumen printing 
going? Best wishes with your low contrast negs.
                       John Grocott-Photographist and Direct Carbon Printer.