HTH 6-way pool test strips measure your pool water chemistry in seconds, with optional app-based digital readings. Strips for testing total chlorine, bromine, pH, total alkalinity, total hardness and cyanuric acid levels Uses google cloud vision technology for accurate results, fast Compatible with all...

HTH pool care Brilliance Cal Hypo chlorine tabs put powerful clarity and confidence in your hands. These fast-acting pool chlorine tablets use a Cal Hypo formula that won't add extra cyanuric acid (CYA), which helps prevent over stabilization, cloudy water and chlorine lock Safe...

HTH 1 in chlorine tablets are slow-dissolving, UV-stabilized pool sanitizer tablets sized for smaller and above ground pools. Each tablet lasts 5 to 7 days Maintains free chlorine at 1 to 4 ppm Built-in UV stabilizer prevents sun loss Start with 1 to 2...

HTH 1 in chlorine tablets are slow-dissolving, UV-stabilized pool sanitizer tablets sized for smaller and above ground pools. Kills algae and bacteria Tabs last up to one week HTH chlorine tabs keep water clear while protecting against bacteria, algae and other organisms Sun protected...

HTH 3 in chlorine tabs advanced are stabilized chlorine tablets with built-in clarifier and algaecide for one step pool care. 3-in-1 - pool sanitizer, clarifier and algaecide Each tablet lasts up to 7 days and treats 10,000 gal Holds free chlorine at 1 to...

HTH 3 in chlorine tabs advanced are stabilized chlorine tablets with built-in clarifier and algaecide for one step pool care. 3-in-1 - pool sanitizer, clarifier and algaecide Each tablet lasts up to 7 days and treats 10,000 gal Holds free chlorine at 1 to...

HTH 3 in chlorine tabs advanced are stabilized chlorine tablets with built-in clarifier and algaecide for one step pool care. 3-in-1 - pool sanitizer, clarifier and algaecide Each tablet lasts up to 7 days and treats 10,000 gal Holds free chlorine at 1 to...

HTH 3 in chlorine tabs advanced are stabilized chlorine tablets with built-in clarifier and algaecide for one step pool care. 3-in-1 - pool sanitizer, clarifier and algaecide Each tablet lasts up to 7 days and treats 10,000 gal Holds free chlorine at 1 to...

Take advantage of one of the most convenient and easy-to-use pool care products. When used as directed, this pre-filled floater sanitizes for up to four weeks. Sanitizes and kills bacteria and algae Easy and low-maintenance solution Sanitizes for up to 4 weeks The HTH...

Shock treat your pool at least once a week to kill unwanted bacteria and algae and to give your pool the boost of chlorine it needs to keep your water clean and clear. HTH® Shock! treatment is the original swimming pool shock designed to...

HTH® Shock! treatment, 6 bags 13.3 oz each, is an effective, Multi-purpose product that sanitizes, clarifies, helps prevent algae and shock treats your pool. It is convenient, easy-to-use and won't over-stabilize your pool. HTH® Shock! treatment is the original swimming pool shock designed to...

HTH pool care Shock is a fast-acting pool shock engineered to restore sparkle and confidence - without adding cyanuric acid (CYA). This Cal Hypo swimming pool shock treatment boosts chlorine quickly to kill bacteria, fight algae and clear cloudy water, helping you maintain balanced,...

HTH pool care Green to blue advanced shock is a two step green to blue pool recovery system designed to correct severe green water caused by algae blooms. Advanced I delivers a powerful calcium hypochlorite (cal hypo) shock that kills algae and bacteria without...

HTH pH Down is a sodium bisulfate pool pH decreaser that lowers high-pH back into the safe 7.2 to 7.6 range. Lowers pH and alkalinity levels for healthier water Helps chlorine to work efficiently Improves water comfort and prevents surface damage Compatible with all...

HTH pH Up is a sodium carbonate pool pH increaser that raises low pH levels back into the ideal 7.2 to 7.6 range. Increases pH levels for healthy water Compatible with all swimming pools Features a resealable pouch for easy storage Balanced pH levels...

HTH Calcium Up is a pool hardness increaser that raises calcium hardness back into the recommended 200 to 400 ppm range. It prevents corrosive water from damaging your pool. Prevents soft water from etching plaster and damaging surfaces Fast dissolving granules broadcast easily with...

HTH pool care Alkalinity Up is a pool alkalinity increaser that raises total alkalinity into the recommended 80 to 120 ppm range to stabilize pH. Raises total alkalinity levels in pool water Helps ph levels from fluctuating Protects against skin and eye irritation Protects...

HTH pool chlorine stabilizer is a 100% cyanuric acid pool stabilizer that protects chlorine from being destroyed by UV rays. Protects chlorine against sunlight Helps chlorine last longer Compatible with all swimming pools Helps slow down the effects of direct sunlight on chlorine in...

HTH pool care filter sand is premium pool filter sand engineered to keep your filtration system running at peak performance. High-quality sand for swimming pool filters Keeps filters working efficiently Compatible with sand filters of all swimming pool types HTH filter sand keeps your...

HTH Spa Chlorinating Sanitizer, Net Content: 2 lb, Granular, Odor/Scent: Chlorine, White, Compositions: Calcium Hypochlorite, Sodium Chloride, Calcium Chlorate, Calcium Chloride, Calcium Hydroxide, Calcium Carbonate, Heptahydrate, Magnesium Sulfate, Water, Density: 0.8 g/cc, pH Range: 10 to 10.8 Fast-acting sanitizer controls bacteria and algae

HTH pool care Algae Guard+ ultra is our most powerful pool algaecide, engineered to eliminate and prevent even the toughest algae. This non-foaming, non-staining algaecide for pools works fast to kill stubborn green, black and mustard algae while preventing regrowth for long-lasting clarity and...

HTH Brilliance skimmer basket insert makes pool maintenance simple, safe and efficient. Designed to hold chlorine tablets securely inside your skimmer basket, this innovative pool skimmer basket insert helps tablets dissolve evenly while keeping them separated from debris for consistent sanitation. Compatible with HTH...

HTH Brilliance chlorine floater delivers a smarter, safer way to keep your pool water beautifully clear. Designed for use with HTH Brilliance cal Hypo chlorine tablets, this pool chlorine floater also fits most 3 in chlorine tablets, including trichlor Its innovative design ensures tablets...

Sanitize, clarify and protect your swimming pool against algae with one easy and convenient tab. Sanitizer, clarifier and algaecide Use in floater, feeder or skimmer basket Tabs last up to one week This advanced formula sanitizes, clarifies and kills algae for beautiful, clean and...

Keep your pool water clean, clear and comfortable with this all-in-one tablet sanitizer and shock treatment. It kills algae and bacteria while softening, clarifying and guarding surfaces from stain and scale for an amazing value and sparkle. All-in-one sanitizer Sanitizer, clarifier, algaecide and water...

HTH 3 in chlorine tablets are slow-dissolving, UV-stabilized chlorine tablets built for in ground and larger pools. Each tablet lasts 5 to 7 days and treats up to 10,000 gal Maintains free chlorine at 1 to 4 ppm Built-in UV stabilizer (trichlor) protects chlorine...

HTH 3 in chlorine tablets are slow-dissolving, UV-stabilized chlorine tablets built for in ground and larger pools. Each tablet lasts 5 to 7 days and treats up to 10,000 gal Maintains free chlorine at 1 to 4 ppm Built-in UV stabilizer (trichlor) protects chlorine...

HTH 3 in chlorine tablets are slow-dissolving, UV-stabilized chlorine tablets built for in ground and larger pools. Each tablet lasts 5 to 7 days and treats up to 10,000 gal Maintains free chlorine at 1 to 4 ppm Built-in UV stabilizer (trichlor) protects chlorine...

HTH pool care salt shock is a powerful salt pool shock designed to give your salt system the extra boost it needs. While your generator keeps chlorine levels steady, this fast dissolving salt water pool shock delivers the deep clean your water deserves. Helps...

HTH pool care metal, stain and scale control helps you maintain a clean, clear and beautifully balanced pool with confidence. This advanced pool metal control prevents and treats metal stains, discoloration and cloudy water caused by dissolved metals like iron, copper and manganese By...

The HTH™ clear defense is your all-in-one solution for maintaining beautifully clear, algae-free pool water. With HTH™, you can relax knowing your pool is always ready for cannonballs, family fun and total confidence. You’re all clear with HTH™. This powerful, fast-acting pool algae prevention...

HTH pool care filter cleaner helps you maintain peak pool performance with cleaner filters and crystal clear water. This professional strength pool filter cleaner removes oils, minerals and debris that reduce filtration efficiency, restoring your filter's full power. Designed for use on sand, D.E...

HTH™ shock advanced pool shock helps you take on cloudy, unbalanced water with confidence. This powerful 4-in-1 swimming pool shock treatment kills bacteria, prevents algae, reduces chlorine odor and restores clarity fast With Cal Hypo technology, it delivers a sparkling clean pool without adding...

HTH pool care Algae guard Advanced is a professional strength pool algaecide designed to destroy and prevent even the toughest pool algae. This fast-acting, non-foaming algaecide for pools targets green, black and mustard algae caused by warm weather, poor circulation or low chlorine levels...

HTH spa bromine tablets deliver powerful, dependable sanitation for your spa or hot tub without the harsh chlorine smell. These convenient bromine tablets effectively kill bacteria and control algae, keeping your spa water clean, clear and comfortable Gentler on skin, eyes and swimsuits, they...

HTH spa defoamer EcoPods are the modern, Eco-friendly solution for fast and effective spa defoamer for hot tub care. Each pre-measured spa defoamer pod dissolves completely, eliminating unwanted foam in your spa or hot tub without the mess or hassle of measuring liquids. One...

HTH spa filter cleaner keeps your spa running strong and your water looking crystal clear. Deep cleans all filter types Extends life of filter Helps clarify water HTH spa filter cleaner is great for all spas, including bromine, chlorine and biguanide For excellent results,...

HTH spa alkalinity up helps you maintain a balanced, relaxing spa experience with water that feels as good as it looks. Keeps total alkalinity and ph levels in range Protects against skin and eye irritation Protects spa equipment and surfaces Keeps the ph levels...

HTH spa pH Down helps you take control of your spa water with confidence. Decreases the pH levels in spas and hot tubs Allows sanitizer to work more effectively Prevents corrosion of spa surfaces and equipment HTH spa pH down is formulated to provide...

HTH spa pH Up helps you restore the ideal water balance so you can relax with confidence. Increases pH levels in spas and hot tubs Allows sanitizer to work more effectively Prevents corrosion of spa surfaces and equipment HTH spa pH up is formulated...

Quickly and easily check and adjust the five key elements in your spa to keep water clear, clean, healthy and balanced. 25 strips for testing total bromine, free chlorine, alkalinity, pH and total hardness Accurate results in seconds Compatible with all spas HTH spa...

HTH Spa scale preventer is a powerful solution for reliable spa stain and scale control. Formulated to target minerals and deposits in your spa water, this product helps prevent stubborn stains and scale build-up that can cloud water and damage surfaces. Use regularly for...

HTH® Super Shock pool shock treatment is the 4-in-1 powerful pool shock designed to boost chlorine levels and kill and prevent bacteria and algae for a clear, healthy pool. Each lb of Super Shock packs a powerful punch, treating 13,500 gal and restoring crystal...

HTH® Super Shock treatment is the 4-in-1 powerful pool shock designed to boost chlorine levels and kill and prevent bacteria and algae for a clear, healthy pool. Each pound of Super Shock packs a powerful punch, treating 13,500 gal and restoring crystal clarity in...

HTH® ultimate Shock treatment delivers an incredible value with a 7-in-1 formula that increases chlorine levels, kills and prevents bacteria and algae, reduces eye and skin irritation, prevents stains from metals and prevents scale. HTH® makes pool care easy with a shock treatment that...

HTH® ultimate Shock! treatment delivers an incredible value with a 7-in-1 formula that increases chlorine levels, kills and prevents bacteria and algae, reduces eye and skin irritation, prevents stains from metals and prevents scale. HTH® makes pool care easy with a shock treatment that...

The Multi-functional 7-in-1 action can also help to prevent stain and scale formation while effectively guarding against bacteria, algae and other organisms. These fast dissolving granules feature visible blue action to let you know the granules are actively working to produce clear results. Contains...

The Multi-functional 7-in-1 action can also help to prevent stain and scale formation while effectively guarding against bacteria, algae and other organisms. These fast dissolving granules feature visible blue action to let you know the granules are actively working to produce clear results. Contains...

The Multi-functional 7-in-1 action can also help to prevent stain and scale formation while effectively guarding against bacteria, algae and other organisms. These fast dissolving granules feature visible blue action to let you know the granules are actively working to produce clear results. Contains...