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⬢ Pool Professionals
Professional-grade products. Expert support. Built for your business.

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Eco-friendly, easy-to-use solutions to keep your pool clean and clear.

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Help your pool & spa customers with trusted, professional-grade products.

For Pool Pros:   Master pool chemistry & avoid costly mistakes with our guide.   

For Homeowners:   Let HASA be your year-round Pool Partner.   


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⬢ Pool Products
HASA has the chlorine, algaecides, and sanitizers you need to keep your pool or spa clean and clear.

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Shop our full line of Hi-Temp spa care products, including Eco-Safe Clarifiers and pH Increasers.

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⬢ Ancillary Products
Our eco-friendly water treatments are science-backed and purposefully focused.

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⬢ Mini-Bulk Program
We deliver a premium 12.5% sodium hypochlorite solution for sanitizing commercial pools and large-scale water systems.

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Use the HASA Dealer Locator   See where our products are sold near you with this tool.   

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The Pool Pro’s Guide to Mastering Pool Water Chemistry

Maintaining proper water chemistry is the key to crystal-clear, safe pools and satisfied clients. Whether you're battling cloudy water, scaling, or algae growth, this free guide equips you with expert insights, actionable solutions, and proven strategies to streamline your maintenance routine and avoid costly mistakes.

Learn the ideal pH, alkalinity, and calcium hardness ranges.
Master solutions to common pool problems.
Get practical safety and compliance tips.
Discover practices to improve efficiency and reduce costs.

Peek Inside: What You’ll Get From The Guide
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Core Chemistry Mastery:

Learn how to keep pools in perfect balance with ideal ranges for pH, alkalinity, and calcium hardness. 

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Troubleshooting Made Simple:

Find step-by-step solutions for cloudy water, algae outbreaks, scaling issues, and more.

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Safety and Compliance Tips:

Protect yourself and clients with expert advice on safe chemical handling and proper storage.

Make Cleaner, Clearer Water Possible
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Eliminate Costly Pool Problems

Avoid expensive repairs and maintain pool health with techniques to optimize water chemistry before issues arise—extending the lifespan of pool surfaces and equipment.

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Master Safe Chemical Handling

With best practices for storing, mixing, and applying chlorine, acids, and more, you’ll learn what to do (and what to avoid) to stay safe and meet regulatory requirements.

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Boost Your Professional Expertise

Increase your confidence, earn client trust, and deliver better results with simple routine checklists and actionable advice to help you build positive pool maintenance habits.

Pool Care Mastery Starts Here

Don’t let water chemistry challenges hold your business back. Get your new go-to resource for solving pool problems, ensuring safety, and delivering better results for happier clients.
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Your Questions, Answered