For Efke 25 & PMK:

asa 12 - 7:00 at 70f (add 30 seconds to all times for presoak)

I do a presoak for 2-5 minutes.

Use distilled water for mixing or times will vary.

Water stop. TF4 for fix. No afterbath in pyro, just wash for 10 minutes. 4% per f degree change from 70f baseline.