Altar Salt ~ Full Moon £3.99 Quantity: at £3.99 each 2 in stock. Our own range of blessed and charged Altar Salt. Specially prepared and blended with potent herbs, chosen for their powerful intent, ready for you to use on your own altar. These are the salts I use on my own altar and are now made available for you to use in your own work. Full Moon Altar Salt ~ for use on your altar for spells or rituals performed during the Full Moon to increase the power and intent of your work.