Quote Originally Posted by mono View Post
They say:

ADOX ADONAL 500 ml (based on the last original AGFA Rodinal recipe of 2005)

And then there is:

(ADOX) APH 09 (based on the old formula of 1950)

Both are Rodinal. Confused?
The old formula gives slight edge (to my eye) and I think keeps longer as concentrate.
You can't go wrong with any of them and most people say the results are identical.