loot drop potions increase drop rates of everything. so i think it affects white bag drops
The White Bag Thread
Nameness
#9161
Still needed to make the pun
Besides, .3 is basically doubling an event white drop rate
CaesarVIII
#9164
Last time I checked, that robe was neither good, nor a white bag. just because it says UT doesnt make it a good item