HTH 67227 Filter Cleaner is a purpose-built solution designed to rejuvenate your pool filtration by safely dissolving built-up gunk and debris that accumulate in filters. This 32-ounce bottle is formulated to work across filter types, including cartridges, D.E., and sand, and is compatible with...

Crystal clarity for your pool, fast When pool water appears dull or hazy, it can dull the mood of a sunny day. HTH 67212 Advanced Clarifier works by gathering tiny particles into larger clumps, making it easier for your filter to capture them. The...

Balance your pool water with HTH pH UpHTH pH Up is designed to raise and balance the pH level in your swimming pool, helping you achieve clear water, more effective chlorine, and a healthier swimming environment. When pH is in the right range, surfaces...

Effortless pool sanitation with HTH 42032 Super 3-Inch Chlorinating Tablets During long pool days, nothing beats water that looks clean and inviting. The HTH 42032 Super 3-Inch Chlorinating Tablets are designed to help maintain clear water by releasing chlorine steadily, aiming to reduce algae...

One-tab solution for cleaner, clearer water The HTH 3-inch Chlorine Tabs Advanced combines sanitizer, clarifier, and algaecide into a single, easy-to-use tablet. This versatile formula is suitable for a wide range of pools, including vinyl-lined and saltwater systems, and works with common dosing methods...

Crystal-clear water made simple The HTH 42052W 3-Inch Chlorine Tabs Advanced deliver a balanced blend of sanitizing power, water clarification, and algae control in a single tablet. Individually wrapped for convenience, these tabs are designed to dissolve slowly and provide dependable action across the...

Overview Maintaining clear, inviting pool water is a priority for many homeowners this season. The HTH 42064 Swimming Pool Care 3" Chlorine Shock tablets come in a convenient 5 lb package designed to support clean, sanitized water across a range of pool setups. This...

Overview HTH 52047 Swimming Pool Care Salt Shock is designed for saltwater pools with a chlorine generator. This stabilised dichlor-based formula delivers fast-acting sanitization while staying gentle on pool surfaces and equipment. Each pack contains five convenient 12-ounce packets, enough to treat up to...

Overview HTH Algae Guard Ultra delivers long-lasting protection from extreme algae growth. As HTH's strongest algae control, it targets heavy blooms while helping prevent regrowth for up to three months. The formula is non-foaming and practical for quick dosing. What makes it stand out...

Enhance Your DE Filtration with HTH 67121 DE Filter Aid HTH 67121 DE Filter Aid is a 10-lb product designed for use with D.E. pool and spa filters. It supports direct, do-it-yourself maintenance and pairs well with other HTH pool care products. The solution...

Effortless six-parameter pool testing The HTH 1275 6-Way Test Kit is designed to simplify pool maintenance by providing quick, clear results for six essential water characteristics. Whether you own an indoor pool, an outdoor setup, or a shared community space, this kit helps you...

OverviewThe HTH 2-Step Green to Blue Swimming Pool System is designed to tackle severe algae blooms and restore water clarity. This ready-to-use kit combines Pack I, a robust algae-fighting shock based on Cal Hypo, with Pack II, a powerful flocculant that helps fine particles...

Overview Summer pool time should be about refreshing dips and sunlit swims, not fighting cloudy water caused by algae. HTH Algae Guard Advanced delivers a powerful, non-foaming formula designed to tackle heavy algae blooms while simplifying your routine. By integrating this treatment into your...

Keep pool water crystal clear with HTH 52036R Shock Advanced When the sun shines and the water sparkles, you want a treatment that works quickly and reliably. HTH 52036R Shock Advanced uses a Cal Hypo-based formula designed to address common pool nuances—helping to curb...

Long-Lasting algae control for every pool type Keep your pool vibrant and inviting with HTH Algae Guard Ultra. This powerful, non-foaming formula targets algae blooms and helps prevent regrowth for up to three months, giving you fewer interruptions and more time to enjoy clear...

Enjoy crystal clear pool water all summer long with HTH Algae Guard Advanced. This powerful, non-foaming formula is designed to kill and prevent heavy algae blooms, helping your pool feel inviting and safe for swimming. While it offers strong algae control for green, black,...

Overview Keep your pool water clear and inviting with HTH Metal & Stain Defense. This 32-ounce formula is designed to be added directly to pool water as part of your regular maintenance routine. It targets dissolved metals that can cause cloudy water and unsightly...

Protect and Extend Chlorine Life HTH 67061 Pool Care Stabilizer helps shield chlorine from the strongest sun and keeps your pool water balanced and inviting. Designed to work with all pool types, this 4 lb stabilizer blends into your routine without fuss, supporting clearer...

Overview HTH 52030B Swimming Pool Shock is a Cal Hypo–based, multi-use treatment designed to keep water clean and inviting. This 13.3-ounce bottle is sold as a pack of six, making seasonal maintenance convenient. The fast-acting formula shock-treats, sanitizes, and clarifies, while helping reduce common...

Keep your pool crystal clear with HTH 52043 Pool Care Shock Advanced Meet a fast-dissolving, 4-in-1 Cal Hypo shock treatment designed for weekly maintenance. This formula targets bacteria and algae, helps reduce chlorine odor, and supports a quick return to clear, inviting water. Built...