Hot Tub Aromatherapy Magic Musk Spa and Bath Aromatherapy liquid by Insparation is specially blended with natural extracts and vitamins. These unique blends are formulated for your hot water enjoyment, creating a rich soothing "aromatherapy experience" while being safe for all spa, hot tub and whirlpool bath surfaces. Ideal for masking unwanted chemical odors without foaming or affecting water chemistry