Our complete range of simple-to-use, no-nonsense products helps you balance, sanitize and treat your spa—it's everything you need and nothing you don't. With HTH™ your spa is always …

Dive into the world of HTH™ pool and spa chemicals, designed to keep your pool and spa sparkling clean. Browse HTH™ and find a retail store near you today!

Browse HTH's™ wide variety of spa care products to keep your spa crystal clear. Explore all of our hot tub chemicals and find a retail store near you today!

Maintaining spa water takes work, but HTH™ is here, every step of the way. From sanitizing to safety, find easy how-to’s and helpful info. Plus, you can also download our FREE Spa Care …

This HTH Spa Clear Chlorinating Sanitizer helps protect hot tub water against chlorine loss, which optimizes the comfort and use of your pool with no sediment. With the minimum available …

Spa 86121 Clarifier, Concentrated Spa & Hot Tub Chemical for Crystal Clear Water, 16 oz

HTH Spa Clear Chlorinating Sanitizer controls algae, kills bacteria and destroys contaminants. For best results, use HTH Spa Clear Chlorinating Sanitizer as part of your regular HTH Spa care …

HTH Spa Bromine Tabs not only disinfect and sanitize your spa and hot tub but they also create softer feeling water for total relaxation. Use these convenient tabs to keep your spa water …

Rely on this convenient and easy-to-use hot tub sanitizer to control algae, kill bacteria and destroy contaminants so you can get the most out of your spa. Creates more comfortable water. Our …

Shop HTH 2.25-lb Low Odor Spa and Hot Tub Chemical Sanitizer Spa Chlorine 86134 in the Hot Tub & Spa Chemicals department at Lowes.com