John,(posted 8391 days ago)I'll second Wolfram's advice. I do use replenished Acufine (also for PlusXPro (120) at 250 ASA) and follow their recommendations of a half- ounce of replenisher (close to 15 ml) per 80 sq. in. film. Capacity is 64 rolls per quart (close to 70 per liter). I keep the solutions in the refrigerator, close to freezing, and they easily last a year in full bottles.