The tank I have for LF use is a daylight type,not the kind with metal racks.My p roblem is how too agiatate, how much?Should I do this the same as I have done fo r years with smaller round 35mm/120 tanks?(Tipping & rotating at 30 sec interval s?)My film is T-Max 400,developer is HC 110 Dil. B.Kodak only offers instruction s for tray dev.& and the raising & lowering with the rack type tank,(both done i n the dark).