Rx Therapy is a line of products designed entirely around soaking away aches and pains, while relaxing and soaking in vitamins. Reduce tension, relax your muscles, grab a towel, and get soaking! Transform your hot tub or bath into a calming, spa like atmosphere in the comfort of your own home. Spazazz Rx Therapy aromatherapy crystals are an affordable indulgence that will enhance your hot tub experience every time you get in. The moisturizing botanicals increase skin hydration and pampers your skin while the long lasting aroma's soothe your senses. The Rx Therapy crystals are specially formulated for use in spas, hot tubs and bathtubs. They won't effect your hot tubs water in any adverse way or leave oily residue behind.