The blue.
Madara's melted too. We can assume it would still melt it. She can change how strong the acid and how hot the lava is. It doesn't stand a chance against it.*Mei's acid was able to melt Susanoo's bones.
That was when Sasuke was inexperienced with his Mongekyo plus the susanoo was in it's imcomplete form.
Sounds like some weird drink! and did why are people whipping out.... :flaw: and worse still measuring!!! :sy:thanks for the info cantain obvious.:|