Crystal-clear water, effortless clarity As the sun warms the pool, you want water that looks inviting and feels refreshing. The HTH 67023 Super Clarifier is a fast-acting solution designed to tackle dull, cloudy, or hazy water by gathering fine particles that cloud your pool....

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...

Refresh Your Pool’s Filtration with Ease The HTH 67071 Swimming Pool Care Filter Cleaner targets the gunk that builds up inside filter media—oil, grease, and debris—so your filter can regain its flow and keep water inviting all season long. Over time, residues can slow...

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...

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...

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...

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...

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,...

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...

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...

HTH Alkalinity Up — Elevate Total Alkalinity for All Pool Types Keep your pool water balanced and comfortable for swimmers with HTH Alkalinity Up. This 5 lb solution is designed to raise the total alkalinity in your pool water, helping to stabilize pH and...

Introducing the HTH Calcium Hardness Up formula—a trusted pool care solution designed to raise calcium hardness and help safeguard your pool surfaces and equipment. This 4 lb container works with all pool types, making it a versatile addition to any maintenance routine. Calcium hardness...

Crystal-Clear Pool Water, Faster Refresh dull, cloudy water with the HTH Swimming Pool Care Drop Out Flocculant. This straightforward treatment is designed for pools that allow settled debris to be vacuumed to waste. It is compatible with saltwater systems and will not alter pH...

Crystal Clear Water Starts Here with HTH Drop Out Flocculant The HTH Swimming Pool Care Drop Out Flocculant offers a practical solution for pool owners dealing with dull and cloudy water. This 32 oz bottle targets fine particles that cloud the surface, helping the...

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...

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...

HTH Pool Care pH Down – Balanced Water for Clearer Pools HTH Pool Care pH Down is designed to gently lower and balance pool pH, helping water look clearer and supporting the sanitizer’s effectiveness. This 5 Lbs bottle is suitable for a wide range...

Overview Keep your pool water balanced with the HTH Test to Swim 6-Way Pool Test Strips. This comprehensive kit makes it easy to check six key water chemistry factors, helping you maintain clear, inviting water for every swim. The system leverages Google Cloud Vision...