Hydrotherapy has been around for centuries. Human beings have utilized water to heal many physical ailments with a mixture of temperature and pressure to stimulate circulation and treat various symptoms of different diseases. Today’s version of hydrotherapy, formerly called hydropathy, includes water jets, underwater massage, and mineral baths. If you have a hot tub, you are in a perfect position to experience the benefits of water therapy at home. Protecting your hot tub starts with the right aluminum hot tub…