Your outdoor hot tub has so much more to offer than just hot water. The invigorating jets. The soothing heat. The feeling of weightlessness. These factors can all contribute to the health benefits that stem from spending time in a hot tub. When combined, this water-based therapeutic technique is called hydrotherapy. In this article, we will take a look at hydrotherapy, really diving into how it works, what the benefits are and how it can change your life.