Quote Originally Posted by Photo Engineer View Post
The crystals dissolve when more alkali is added. The pAP is a weak acid and needs a large amount of "excess" hydroxide to force the salt to dissolve by forming the Phenolate.

PE
That what I'm saying - Agfa's Rodinal has pH 14, and it does have crystals....
If I make rodinal, it has pH<12, to make pH 14, I need to add more hydroxide, right? If I do that, pAP crystals dissolves very fast.....

So, what are the crystals in Agfa's developer?