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Pool Professionals
Elevate yourself as a pool pro with top-quality products, expert resources and professional business support from HASA.

Pool Owners
Keep your pool safe, clean and clear with eco-friendly and easy-to-use water treatment solutions.

Municipal
Efficiently manage your water supply with the freshest products, predictable delivery and a sustainable supply chain partner.

Industrial
Efficiently manage your water treatment with the freshest products, predictable delivery and a sustainable supply chain partner.

Dealers
Help customers confidently manage their pool and spa water quality with trusted, professional-grade products.

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Pool Products
HASA has the products you need to take care of your swimming pool or spa, whether you're looking for chlorine, algaecides, sanitizers, pool shocks, and more.

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Hot Tub Products
We offer a full line of hi-temp spa care products, including Eco-Safe Water Clarifier, Hi-Temp Eco-Safe Water Clarifier, and Hi-Temp Spa pH Increaser.

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Ancillary Products
We have a narrow and focused line of eco-friendly water treatments; each of which has its formula firmly based in science.

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Mini-Bulk Program
HASA offers a safe, reliable & premium 12.5% sodium hypochlorite solution to sanitize and maintain larger commercial swimming pools and major water systems.

Blog
Learn from water chemistry experts.

Videos
Browse instructional how-to videos.

Safety Data Sheets
Download SDS sheets for HASA products.

Rewards
Explore our HASA loyalty rewards program.

Dealer Locator
Find dealers near you.

Orenda Academy
Take courses to upgrade your water chemistry and professional pool management knowledge.

Events
Find HASA at an event near you.

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Sustainability
Learn about HASA's commitment via the returnable packaging model.

Careers
Explore open positions with HASA.

Clean Water You Can Count On

Keep your pool safe, clean and clear with eco-friendly and easy-to-use water treatment solutions.

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Reliable, Effective and Safe for Worry-Free Swimming

HASA’s premium water treatment products have been trusted by pool owners, professionals and governments for more than 60 years.

Have confidence in the cleanliness and purity of your pool water and enjoy backyard fun with your family year-round with the purest and freshest liquid pool sanitizer available. When you care for your pool with HASA’s eco-friendly, third party tested and certified products, you can achieve a pristine clean — without having to worry about unnecessary, harsh and irritating chemicals going into your water, your skin and body, or the environment.
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Why Choose Liquid Chlorine for Your Pool?

Not all water treatment solutions are created equal, and HASA Sani-Clor® liquid sodium hypochlorite is a clear win for you and your family. With no additional unnecessary chemicals like cyanuric acid (CYA) or calcium, our liquid chlorine doesn’t cause cloudiness or create calcium scale build-up. This all-in-one solution for regular shock and daily sanitizing leaves you with sparkling blue water that’s free from bacteria, parasites and algae.

Pool Care and Water Chemistry Made Simple

HASA is your partner for all-things pool, with cleaning and care tips, backyard best practices and sanitization education.

Keeping up with the pool of your dreams takes more than using the right chlorine products. We’re here to be your resource for mastering pool care basics, creating a cleaning routine and dealing with the unexpected.
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Here for the Clean

Our mission is to help you achieve a professional level of cleanliness with a water sanitization routine that isn’t overly complicated and won’t break the bank.
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Trusted by the Pros

HASA water treatment solutions are not only used by pool professionals, but to sanitize drinking water across the United States.
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Top Quality & Value

Liquid chlorine is the most quality and cost-effective cleaning solution vs. dry or granular products.
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Specifically Targeted

Our products are designed to solve your specific water problems without creating new ones.
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Training & Education

Address your water chemistry like an expert with free resources on the science behind pool care.

Pool Care Advice, Tips and Tricks

Explore a variety of resources on water chemistry and treatment, pool cleaning best practices and more.

Clean Up After a Wildfire

Learn how to carefully restore swimming pools to safety with practical and actionable tips and advice.

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Pool Care Tips: From Green to Clean

Find out how to identify, treat, and prevent algae in pools from water chemistry expert Terry Arko.

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Understanding Chlorine Demand

Find out what factors lower chlorine effectiveness with our downloadable one-pager.

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Buy HASA Products Near You

Use our dealer and distributor locator to find out where you can purchase HASA products in your area.

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Recreational Water Treatments

Learn about HASA’s premium product to sanitize and shock pools and spas.

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Individualized Assistance

Fill out the contact form or get in touch with the HASA representative in your area.

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Care for Your Pool the HASA Way