Hot tubs, also known as Jacuzzis or spas, are large tubs filled with heated water that are used for soaking and relaxation. They are often equipped with jets that provide a massaging effect on the body, and many also have built-in seating and hydrotherapy options. Hot tubs are typically made of acrylic or fiberglass and are surrounded by a cabinet made of wood, metal, or synthetic materials. They are often used for recreational and therapeutic purposes, and are a popular choice for people looking to relax and unwind after a long day. Hot tubs can be installed either outdoors or indoors, and they are typically powered by electricity or natural gas. They are often used by people with muscle soreness, arthritis, or other conditions that can benefit from the warmth and buoyancy of the water.