Bellinis version of the classic p-AMINOPHENOL Rodinal Universal Film Developer
One-shot, fine-grain, high energy developer with optimum contrast control.
Dilution 1 +25 or 1 + 50 with water.If you are looking for suggested dev times use the guidelines for Rodinal or R09

Rodinal film developer, also known as R09 One Shot, is a liquid concentrate developer used to process black and white film. It was first introduced in 1891 by Agfa, a German film and camera manufacturer, and has been used by photographers ever since.

One of the reasons for Rodinal’s popularity is its versatility. It can be used to develop a wide range of films, including low and high-speed films, and produces high-quality, sharp, and grainy images. Additionally, it has a long shelf life and is relatively easy to use.