2 hours (Stand developed) at 18°C/64.4°F
5 minute water pre-soak
Pour in developer and very slowly invert the tank, e.g. about 10-20 1st minute.
Every 30 minutes slowly swirl the tank (no inversions) for 10-15 seconds.
Pour out developer and give three water baths, six inversions apiece.
Fix and wash as normal.