First time/new Trimix user and ED sufferer. Started on Trimix #5 PAP 30 mg/mL, Phentolamine 1 mg/mL, PGE1 10 micrograms/mL - Started with 10 units and now up to 35 units (titrating up 5 units each time). 20 units is when it starts working but erection is not long enough (~30 min) or strong enough (6...