Welcome to American Softub! So, what’s the big deal about owning an American Softub hot tub? To begin with, the health benefits of hot-tub use are not only supported by research but they are impressive. For example, the heated water in a soft tub hot-tub expands blood vessels, allowing nutrient-rich blood to, more readily, circulate throughout one’s body. Elevated passive body-heating helps to combat insomnia, and the massaging hydrotherapy has a proven track record of relieving not only sore muscles but stress, as well.