Thanks John. You open an interesting question about how much restrainer builds up through the replenishment cycle(s).
The specifics - or as specific as I can be are this...I add .75 oz of D76R (now L76R) for each roll developed to the D76. Thats the process...in other words, when I develop 8 rolls in an 8 roll tank I pour the D76 back into its bottle and add 5-6 oz. of the replenisher to the bottle. I generally get between 90 and 100 rolls from a gallon of stock developer with replenishment.
Am I effectively restraining the developer...or some other/similar effect?