500ml x 6 - Pure and Sustainably Sourced. Luxury Icelandic Alkaline Spring Water. Why Choose Luxury Icelandic Alkaline Spring Water?. Naturally Alkaline at pH 8.4: Filtered slowly for an astonishing 5,000 through layers of volcanic rock, this water boasts a remarkably high and desirable pH of 8.4, ensuring you stay hydrated without compromising on health.