Insparation SpaBombs and SpaBomb Dust Aromatherapy is specially formulated for spas, hot tubs baths and jetted tubs. SpaBomb and SpaBomb Dust is the clean, ultra therapeutic, effervescent, fizzing aromatherapy that will not cloud, foam, bubble, colour the water or leave any unwanted oily residue. Made with epsom salt, aloe vera extract and vitamins making these perfect for hot water spa & bath aromatherapy.