Formula: Vitriol

Formula: Vitriol is an alchemy formula in that is needed to craft vitriol.
It's a possible spawn at a random diagram location or purchased from the following merchants:
* Gremist at Gedyneith
* Merchant in the Perfumery in Beauclair 
* Wine Merchant at Chuchote Cave 
* Wine Merchant at Dun Tynne Hillside 
== Notes ==
* This formula was originally meant to be found both at the alghoul guarded treasure southeast of Devil's Pit and at Kaer Gelen. However, chests at both locations are randomized instead.
pl:Receptura: Vitriol
ru:Рецепт: Купорос
Category:The Witcher 3 alchemy formulae