Peter;

Good ol' HC-110, Dillution: 1 oz concentrate:63 oz of distilled water to make 64 oz of solution.
Pre-Soak: About two minutes-rinse until the evil purple dye is gone.
16 Minutes @ 70 Degrees
10 Sec Inversion every Minute.
Stop: Regular Water Stop Bath: Two Minutes
Fix: 10 Minutes
Then....wash as usual......beautiful negs!!!!

Later-JOE