I just pulled my negs out of the wash(35mm) and notice they have a golden brown stain, simalar to a pyrocat stain.
This seems to only happed when i push tri-x or hp5 with minimal agitation.
It is not a "overall" stain, but rather on the developed areas of the negative.
Dev info @ 68F
Development tri-x or hp5+ - Rodinal 1:50 40 min agitation every 10 mins
Ilfostop 1-19 30 sec
Agfa Fx universal 1-4
Wash using ilford method
photoflo 2 min