Diamond Spas

The Contrast Pool from Diamond Spas is a custom stainless steel cold plunge pool with a side-by-side custom hot tub, especially suitable for spas or gyms. The Contrast Pool (hot and cold) is designed for flushing the body of toxins, relieving tired muscles and increasing circulation.
Contact: (720) 864-9115; www.diamondspas.com

See the full list of Pool & Spa News' Top 50 Products for 2015.