I use HC110 with Tmax 100 typically at 6 minutes at 68 deg.
Moving to TMax 400 (and 8x10) has me refining the timing and with the switch to tray developing from dip and dunk, I'm thinking I want to slow things down a touch. I've come across the concept on diluting "B" (1/31) to "H" (1/63). I hope I have the letter correct.
Has anyone tried this approach and what were your conclusions, same as "B" at twice the time or...