Lourdes Holy Water in 1 Liter Container (0.264 Gallons) A 1L plastic container of Lourdes holy water with a blue cap. It has a blue image depicting St. Bernadette kneeling to Our Lady of Lourdes. This bottle measures approximately 17cm in height and contains 1000ml of Lourdes water. You can be assured the bottles containing Lourdes water have been taken from the grotto and blessed by a priest at Lourdes. Since the apparitions, the miraculous Lourdes water has been known to have cured thousands of human and animal illnesses.