Show named after famous spa magnesium sulphate came into use during the seventeenth century la in consequence ence of the epsom spa in england which became famous as a watering place and health resort about 1040 1640 wrote charles II 11 lawall in four thousand years of pharmacy later in the same century ur dr friedrich hoffman found the waters of the litz spring in germany to contain ma magnesium sulphate and so the terms epsom salt and litz salt were used to designate this same rame substance long before its tom composition position had been established |