Contains: 200g of fragranced simmering granules;Place a few teaspoons of simmering granules in the oil burner reservoir, no water needed.Can also be used as ashtray refresh, or to generally fragrance a room. - Simmering Granules are made with natural salt crystals, with added fragrance, for use in oil burners. They provide an excellent alternative to fragrance oils or scented wax. They are ready to use straight from the packet and do not require the addition of oil or water. Once the fragrance has gone, simply throw them away, wipe the bowl with a tissue or a cloth, then replace with 1-2 teaspoons of fresh granules.