Zaječická hořká

Zaječická hořká ("Zaječice's Bitter Water"; German: Saidschitzer Bitterwasser) is strongly mineralized natural bitter water from the village of Zaječice in the Ústí nad Labem Region of the Czech Republic.

It ranks among strongly mineralized mineral waters of the Magnesium sulphate type; it is cool, hypertonic, slightly opalescent, yellowish, scent-free, with a strongly bitter flavour.

During the history of the area, bitter waters from Zaječice, (Seidschitz), Sedlec (Sedlitz), Korozluky (Kollosoruk) and Bylany (Püllna) were exported to the whole world as the equivalent of Epsom salt products.

So-called "Sedlitz powder", produced in different laboratories, had different chemical composition and side effects.

Zaječická bitter water was from 17th century the House of Lobkowicz at the Spa Bílinská Kyselka in the nearby town Bilina.