Quote Originally Posted by PeterB View Post
It depends entirely on the amount of exposure you give during your test as to whether step 31 on the tablet contributes to exposure or not. Ralph's spreadsheet actually relies on there being no exposure for at least the last step, otherwise it can't work out the base+fog density which is critical for its calculations.
My test procedure is here, which is definitely different than what is explained in Ralph's method, but my resulting negatives are hard for me to argue with, and results are what matters------but I've been thinking on his method and feel like it is something I might try, could easily do it in a mornings worth of time when the darkroom is functional.