Our citrus burst solution offers a classic, fragrant aroma with naturally enriching elements to soothe your skin. The incorporated Epsom salts are foam-free, oil-free and will not aggravate the pH levels in your tub, so you can enjoy a therapeutic experience without compromising sanitation. These fine-grade crystals are safe for all PVC surfaces and will not cause scale or harm the equipment. Simply add 50-75 grams per use and soak in the ultimate spa experience! *Always maintain the advised water chemistry, explained in our Chemical Guide