Welcome to Wolter Pools and Spas located in Beloit Wisconsin near Janesville! You will find everything pool and spa here! Whether you are from Beloit, Janesville, Rockford or Lake Geneva, we can provide you with excellent service. Our BioGuard pool products and SpaGuard hot tub products are simply put: the best in the industry. Our goal is to give our customers the tools to make pool and spa care simple: computerized water analysis, program pool care, educated and friendly staff, full line of parts supporting the brands we sell and more. Dimension One Spas, Nordic Hot Tubs, San Juan fiberglass pools, vinyl inground pools, Seaspray and Doughboy above ground pools, Helo Saunas and so much more!