Originally Posted by Ian Grant
Calbe RO9 is just the original Rodinal formula which continued in production in East Germany, the West German Agfa Rodinal (now made by A&O) is just a newer improved version.
Yes as I suggested use it stronger or you dev times will be far too long. Try 1+10 if thats too fast dilute it a bit more.
Ian, thank you very much for the advice ! I will be heading down to my basement to try my first print. Thanks again !!