With 5.6 million spas and hot tubs in the United States (260,000 installed last year alone) service technicians and do-it-yourselfers have been clamoring for a practical user-friendly guide to demystify the purchase, repair, installation, and everyday maintenance of spas and tubs. And here it is. This first-ever book on the subject utilizes easy-to-follow photos and text to walk the reader through every necessary procedure--purchasing, installing, heating, winterizing, understanding water chemistry, troubleshooting and repair, automatic cleaning, decks and enclosures, enhancements, and much more.