HASA Algi Control Concentrate Algaecide | 32oz | 72121

HASA Algi-Control Concentrate 72121 is a powerful 32oz algaecide solution specifically formulated to eliminate and prevent yellow and green algae blooms in swimming pools. This concentrated treatment can be applied directly into the pool water or introduced through the circulation system, delivering the best results when directed toward algae-affected areas and along the pool's perimeter. It works well alongside most standard pool maintenance chemicals, though...

Hasa Algi-Ban Granular Trichlor Black Algae Treatment | 5 lbs | 64085

Black algae infestations demand a specialized approach, and Hasa Algi-Ban Granular Trichlor 64085 rises to the challenge. This 5 lb container of concentrated granular trichlor is purpose-built to attack and destroy black algae colonies that resist ordinary pool sanitizers. Upon application, the fast-acting granules go to work immediately, breaking down stubborn algae formations and restoring your pool water to a sparkling, healthy condition. Beyond eliminating...

77121 Hasa Phos Out Phosphate Remover | 32 oz Bottle

Phosphates silently fuel algae growth in your pool, but Hasa Phos Out Plus tackles them head-on with a highly concentrated treatment capable of neutralizing up to 10,000ppb of phosphates per quart in 10,000 gallons of water. This environmentally responsible, non-toxic formula is completely safe around swimmers and won't introduce harmful substances into the surrounding ecosystem. It systematically strips phosphates introduced by lawn fertilizers, household cleaning...

76121 Hasa Super Stain Out | 32 oz | Pool Stain Remover & Preventer

Metal-based staining can rob your pool of its visual appeal, but Hasa Super Stain Out 76121 fights back with a potent liquid concentrate that both eliminates existing discoloration and blocks new stains from developing. This 32oz treatment targets iron, copper, and manganese, the metals most commonly responsible for pool surface staining, by sequestering them into a soluble state where your filtration system can efficiently extract...

Hasa Algi-Ban Black Algae Treatment Algaecide | 2 lbs | 64122

When black algae takes hold of your swimming pool, standard treatments often fall short. Hasa Algi-Ban Algaecide delivers a targeted, slow-dissolving solution that penetrates the tough outer shell protecting black algae colonies, breaking them down from the surface level. This non-staining, non-foaming granular formula is built specifically for white plaster pools, working both as an ongoing preventative measure and an aggressive treatment for active infestations....

Hasa Hi-Temp Eco-Safe Water Clarifier for Pools & Spas | 16oz | 90121

Keep your spa or hot tub water looking immaculate with the HASA Hi-Temp Eco-Safe Water Clarifier 16 oz, part number 90121. This specialized formula targets the fine, nearly invisible particles suspended in your water, causing them to bind together so your filtration system can efficiently trap and remove them. Engineered to perform reliably alongside a broad range of sanitizer types and across varying pH conditions,...

HASA Sani-Chlor 12.5% Liquid Chlorine | Disposable Container

HASA Sani-Chlor Liquid Chlorine stands as a top-tier 12.5% sodium hypochlorite solution crafted for superior water sanitation in swimming pools and hot tubs. This high-potency liquid chlorine goes to work the moment it enters your water, destroying algae, bacteria, viruses, and other dangerous pathogens to create a thoroughly safe and visually stunning aquatic environment. Carrying the strongest concentration available to both trade professionals and home...

15821 HASA Muriatic Acid 31.45% | Disposable Container

HASA Muriatic Acid delivers a concentrated 31.45% hydrochloric acid formula purpose-built for swimming pool, spa, and hot tub water chemistry management. This professional-strength solution excels at bringing down elevated pH and total alkalinity readings, stopping scale buildup before it starts and establishing ideal water balance. The acid integrates into pool water instantly upon addition, producing rapid, measurable results that translate to brilliantly clear, properly balanced...

HASA Sani-Chlor 12.5% Liquid Chlorine | Refillable | Local Pickup Only

HASA Sani-Chlor Liquid Chlorine is a best-in-class 12.5% sodium hypochlorite solution, precisely engineered for thorough water sanitation in pools and hot tubs. Upon introduction to your water, this high-strength liquid chlorine immediately begins neutralizing algae, bacteria, viruses, and other harmful organisms, producing a safe, brilliantly clear swimming environment. Offering the maximum concentration available for both industry professionals and residential users, Sani-Chlor represents the gold standard...

HASA Muriatic Acid 31.45% | Refillable Container | Local Pickup Only

Take command of your pool, spa, or hot tub water chemistry with HASA Muriatic Acid, a robust 31.45% hydrochloric acid solution engineered for precision water balance management. This professional-caliber product drives down pH and total alkalinity with authority, preventing unsightly scale accumulation and maintaining the ideal chemical equilibrium your water needs. Its ability to blend seamlessly into pool water upon contact means you see measurable...

HASA Hi-Temp Eco-Safe Spa & Pool Clarifier | 32oz | 90122

Achieve brilliantly transparent spa water with the HASA Hi-Temp Eco-Safe Spa Clarifier 90122. This advanced formula bonds with microscopic suspended particles and debris, clumping them together into larger masses that your spa's filter can easily capture and remove. When used on a regular schedule, this clarifier not only elevates water transparency but also optimizes filtration efficiency, reducing strain on your equipment. To maximize performance, periodically...