Canadian Spa 19ft St. Lawrence Swim Spa – TurboWave River Flow System with Rolling CoverCanadian Spa 19ft St. Lawrence Swim Spa TurboWave River Flow System with Rolling Cover The 19ft St. Lawrence Swim Spa by Canadian Spa Company combines powerful swim performance with luxury relaxation in a versatile all in one system. Featuring the advanced TurboWave River Flow System, this swim spa generates a smooth, consistent currentperfect for fitness training, endurance swimming, and low impact exercise. With its generous 19ft length, the St.