Aqua Quirmis
A potent alchemical brew. On Roundworld, Aqua Regia is a 1:3 mixture of nitric and hydrochloric acid which is capable of dissolving gold. Aqua Quirmis, as described by Cheery Littlebottom, is quite possibly the Disc's equivalent of this potent brew which well deserves its Alchemists' Guild subtitle of Kysse Thyyne Eyebrowes Fare-thee-well - as well as any other inadvertently exposed tissue...