my rodinal is an ugly rust color(my girlfriend says "ewww.. it already went that color and you haven't even developed your film yet")
But it works great. It is really concentrated so it says active for a long time.. well there is one way to get around the discoloring.....USE IT UP!!!
Shoot alot of film and develop them.
Last night i developed some paper in 1:10 rodinal and i am loving the results.. incredible shadow detail and highlights are glowing!!
i am gonna be using this thing more often!!
good luck and have fun...