Kodak TriX 400
Adox APH 09
There are a few developers out there very similar to Rodinal sold under different names.
Some claim to be the exact recipe of the original Rodinal, some claim to be “updated” versions of it.
Agfa Rodinal R09, Agfa Rodinal Special, Adox Adonal, Adox APH 09… there are a lot of choices.
Anyway. I’ve never been a Rodinal user and I’m not too happy at all with my experiments using Adonal and Agfa Rodinal R09. However I got a little bottle of Adox APH 09, a couple of months ago, and I love it.
It’s very cheap, 8 euros for 500 ml and it delivers consistent results.
I like using it at 1+25 or 1+50 on 400 ISO film. The grain is very, very thin, very tight. TriX at 400 is a smooth film, not as much as TMax, but smooth and warm. The APH 09 gives it extra thin grain without losing detail, which I like.
Check out this amazing article about Rodinal written by Jan Caspary for Cooking Film.