Having a hot tub is more than having a great opportunity to unwind, alone or with a romantic partner, it's also great for your health. Spending some time in a hot tub on a regular basis can improve your circulation and help with relaxation and stress relief. But before you buy a hot tub, it is important to know exactly what you are looking for so you can choose the one fits your needs best. So, let's see what does features actually are.