HASA Premium Water Treatment & Pool Care Products

HASA offers a complete line of professional-grade swimming pool chemicals and water treatment products designed to ensure your water is safe, clean, and clear. Since 1964, our focus on quality and sustainability has provided reliable solutions for residential and commercial pools, spas, and industrial water systems.

Whether you need powerful chlorine for your pool, effective algaecides, or specialty chemicals, HASA provides industry-leading swimming pool chemicals you can trust to get the job done right.

HASAChlor

12.5% sodium hypochlorite solution for swimming pools, and hot tubs

Sani-Clor^®

HASA’s highest performance professional grade sodium hypochlorite for pools delivered in our unique returnable package

Multi-Chlor^®

HASA’s high performance multi-purpose 12.5% sodium hypochlorite for a variety of applications that require bleach

Muriatic Acid

Industry-standard 31.45% HCL used to control pH and for other swimming pool applications

Algi-Ban

Granular tri-chlor to control black algae in swimming pools

Algi-Control

Yellow/Green algae treatment outstanding algae growth depressant.

Algi-Control Concentrate

Quaternary algaecide prevents all types of algae.

Alkalinity Up

Sodium bicarbonate increases total alkalinity.

Alum

Dual-purpose HASA Alum sand filter additive or direct pool application floc.

Calcium Chloride (Dry)

Dry Calcium Chloride increases pool and spa water hardness

Coppercide

Prevents all types of algae copper based algaecide treat and swim immediately.

Dry Acid

Sodium Bisulfate Lowers Pool and Spa Water pH and Total Alkalinity.

GYSAR 'F' Tile Brite

GYSAR Tile Brite ‘F’ – professional grade liquid tile cleaner.

HASA-CIDE

Effective Against Yellow and Green. Excellent Poly Quat Algaecide.

Phos Out Plus

Phosphate Remover

Jumbo Chlorinating Tablets

3′ Tri-chlor Tablets. Controls Algae and Bacteria in Pool Water.

Neutralizer

Sodium Thiosulfate. Lowers liquid chlorinating compound Levels in Pools.

Oxidizer

Powerful pool oxidizing shock treatment, eliminates organic contaminants.

Pool Conditioner

Cyanuric Acid. Conserves liquid chlorinating compound in Swimming Pools.

Soda Ash

Hasa Soda Ash raises pool water pH and alkalinity.

Super Stain-Out

Concentrated sequestering agent

Hi-Temp Spa Oxidizer

Potassium monopersulfate non-chlorine shock for hot tubs.

Hi-Temp Spa pH Increaser

Raise spa water alkalinity and pH to maintain proper chemical balance.

Hi-Temp Eco-Safe Water Clarifier

Promote water clarity and briliance and accelerate filtration for your spa

Hi-Temp Eco-Safe Spa Enzyme

Biodegrades, Organic Wastes Reduces Skin & Eye Irritation.

Hi-Temp Hardness Increaser

Hi-Temp Spa Brominating Tabs

Our Brominating Tabs are effective spa and hot tub sanitizers and disinfectants

Hi-Temp Spa Foam Out

A small squirt of Foam Out ends foaming in the average spa.

Hi-Temp Spa Gard

Sodium Di-Chlor granular liquid chlorinating compound sanitizer for hot tubs.

Hi-Temp Spa pH Decreaser

Sodium bisulfate lowers water pH and alkalinity.

Mini Bulk

12.5% sodium hypochlorite solution to sanitize and maintain larger commercial swimming pools and major water systems.

Which Pool Chemicals Do You Need?

Choosing the right water treatment chemicals depends on your specific needs, from routine sanitization to solving complex water chemistry imbalances. Here’s how to find the best solution for your pool care needs.

Looking for Perfect, Crystal Clear Water?

Designed for pool care professionals, this guide dives into water balance, how to troubleshoot complex issues, and mastering chemical interactions. Elevate your service quality and ensure your clients' pools are safe, clean and clear year-round with insights that get it done.

How to Unlock Healthy, Crystal Clear Pool Water Consistently

Investing in high-quality pool care products is only the first step toward crystal-clear pool water.

But true proficiency — the kind that builds client loyalty and fortifies your reputation as a provider of choice — comes from mastering the science behind the products.

Designed for busy pool professionals, you’ll learn how to:

Dive deep into water treatment chemistry.
Confidently troubleshoot water balancing issues.
Master chemical interactions to solve problems efficiently.
Implement proactive strategies to maintain optimal water parameters.

Download this free guide to learn how to simplify swimming pool chemistry, save time through increased chemical reliability, and ensure your pools are safe, clean, and clear year-round.

What is the best chlorine for pools?
How do I get rid of black algae in my pool?

To treat black algae, use a specialized product like HASA Algi-Ban. It's a granular tri-chlor formula designed to effectively penetrate and kill black algae spores, which are notoriously difficult to remove. To treat black algae, check out our targeted, highly-effective algae control products, like Algi-Ban and Algi-Control. If you want to learn more about how to clear and prevent black algae in your pool, head to our blog to learn more.
What is Muriatic Acid used for in pools?
How can I easily calculate the right amount of chemicals for my pool?

Sodium Hypochlorite Is Second to None

Manufacturing, filtering and transportation are key to the HASA commitment to quality. Together, these three factors allow us to control every aspect of our supply chain—from the purchase of raw materials to the filling of your tank. It gives us the confidence to say, without exception, that HASA products will consistently perform better and reduce overall costs.

Our Delivery Exceeds Expectations

Manufactured locally and delivered by our own fleet, HASA reduces transit time and product degradation. Because we are a manufacturer and not just a product distributor, we adhere to our own specifications and high standards—delivering customized solutions for the valued businesses we serve.

“HASA utilizes a high-performance filter and production process to extend the shelf life of our sodium hypochlorite. Our purer more concentrated 12.5% sodium hypochlorite requires less chemical use—and eliminates extra sediment and heavy metals from tanks and piping. As a result, HASA’s Mini-Bulk product maintains its freshness longer and offers customers a more cost-advantageous and trusted solution.”

Rob Bzdil

Executive Vice President, HASA Inc

Markets Served

HASA’s industrial-grade water treatment solutions ensure that the water sources your business depends on remain free of dangerous microbiological organisms, algae, acidic imbalance, corrosion and waterborne contaminants.

Whether it's for our Industrial and Commercial customers, or to service multiple Municipal Water systems throughout the Western United States, HASA delivers the purest, freshest and highest concentration liquid chlorinating compound available.

Drinking & potable water
Sewer and wastewater
Pulp mills
Drip irrigation systems
Food processing plants
Nuclear plants
Energy and power plants

Water retention ponds
Schools & universities
Hospitality venues
Commercial laundry
Industrial surfaces
Commercial pools

Spa & Pool Chemical FAQs

Q: What is the best chlorine for pools?
A: HASA Sani-Clor® (liquid chlorine) is the industry standard for professional pool care. It is a high-purity, fast-acting sanitizer that doesn't add calcium or cyanuric acid, making it easier to maintain healthy, balanced water.

Q: How do I get rid of black algae in my pool?
A: To treat black algae, use a specialized product like HASA Algi-Ban. It's a granular tri-chlor formula designed to effectively penetrate and kill black algae spores, which are notoriously difficult to remove.

To treat black algae, check out our targeted, highly-effective algae control products, like Algi-Ban and Algi-Control. If you want to learn more about how to clear and prevent black algae in your pool, head to our blog to learn more.

Q: What is Muriatic Acid used for in pools?
A: Muriatic Acid is used to lower the pH and total alkalinity of pool water. Keeping these levels in the correct range is essential for swimmer comfort, protecting equipment, and ensuring your chlorine works effectively.

Q: How can I easily calculate the right amount of chemicals for my pool?
A: Try our free pool chemical calculator. It's a simple and reliable tool to help you determine the exact quantities needed to maintain safe and balanced water, saving you time and hassle.

Easy Scheduling

Metered Delivery

Safety Checking

High Quality

Certification & Documentation

Safety Data Sheets (SDS)

Stay informed. Download these useful PDFs.

Learn More

Blog

Browse how-to articles from water chemistry experts.

Learn More

Orenda Academy

Learn from experts in maintaining safe, clean and clear water.

Learn More

HASA Premium Water Treatment & Pool Care Products

HASAChlor

Sani-Clor®

Multi-Chlor®

Muriatic Acid

Algi-Ban

Algi-Control

Algi-Control Concentrate

Alkalinity Up

Alum

Calcium Chloride (Dry)

Coppercide

Dry Acid

GYSAR 'F' Tile Brite

HASA-CIDE

Phos Out Plus

Jumbo Chlorinating Tablets

Neutralizer

Oxidizer

Pool Conditioner

Soda Ash

Super Stain-Out

Hi-Temp Spa Oxidizer

Hi-Temp Spa pH Increaser

Hi-Temp Eco-Safe Water Clarifier

Hi-Temp Eco-Safe Spa Enzyme

Hi-Temp Hardness Increaser

Hi-Temp Spa Brominating Tabs

Hi-Temp Spa Foam Out

Hi-Temp Spa Gard

Hi-Temp Spa pH Decreaser

Mini Bulk

No results

Which Pool Chemicals Do You Need?

Pool Sanitizers & Liquid Chlorine

Algaecides

Water Balancers

Specialty Pool Treatment Chemicals

Looking for Perfect, Crystal Clear Water?

How to Unlock Healthy, Crystal Clear Pool Water Consistently

Spa & Pool Chemical FAQs

What is the best chlorine for pools?

How do I get rid of black algae in my pool?

What is Muriatic Acid used for in pools?

How can I easily calculate the right amount of chemicals for my pool?

Sodium Hypochlorite Is Second to None

Our Delivery Exceeds Expectations

Markets Served

Spa & Pool Chemical FAQs

Why Choose HASA?

Resources

Safety Data Sheets (SDS)

Blog

Orenda Academy

Contact a HASA Product Sales Representative Today

Sani-Clor^®

Multi-Chlor^®