I plan to mix up a batch of Pextral's Two Bath developer as detailed in the recipes section.
The recipe calls for sodium hydroxide in the second bath (1% solution), presumably as an accelerator. The job is done in "seconds", so I'm guessing that a lesser base would still be effective.
For reasons of health and safety, would there be any substituting NaOH for say potassium carbonate or sodium carbonate? What ratios should I use?