InSPAration's SpaBomb Aromatherapy products are specifically formulated for Spas, Hot Tubs, Baths and Jetted Tubs. SpaBomb's are the clean, ultra therapeutic, fizzing Bath Bomb that will not cloud, foam, bubble, colour the water or leave any unwanted oily residue. Made with the Epsom Salt, Aloe Vera Extract and Vitamins making these the perfect moisturizing Spa & Bath Aromatherapy. All the Fun without the Mess!Add 1 SpaBomb for every 250-500 gallons. Keep out of reach of children, store in a cool dry place, do not let material settle on bottom, swish with feet to dissolve, Always maintain proper Spa & Hot Tub water chemistry.