I so In*Joy looking at your beautiful self......thank you....the cold pool is called a cold plunge its for going in after the hot tub...you should try it...go from hot to cold ..cold to hot..its really super good for you...will make your skin tingle everywhere...great for you heart, blood,skin, and muscle recovery...I used to do it everyday in the winter time....at a Japanese health spa here...now I just do cold plunges..or cold showers..everyday..trust me..u get used to it..and its so good for you...hydrotherapy is one of the things I teach ..before yoga..High Yuliana! High! PrItty Lady