 Its potency has earned it the nickname "svarti dauði" ("Black Death").Modern distilleries on Iceland produce vodka (Reyka), gin (Ísafold), moss schnapps (Fjallagrasa), and a birch-flavoured schnapps and liqueur (Foss Distillery's Birkir and Björk).Martin Miller blends Icelandic water with its England-distilled gin on the island.