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


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


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Reliable solutions & delivery. Sustainable treatment for public systems.


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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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Hot Tub Products
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.

Blog
Learn from water chemistry experts.


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Browse instructional how-to videos.


Safety Data Sheets
Download SDS sheets for HASA products.


Pool Chemical Calculator
Achieve balanced chemistry easily.

Liquid Chlorine For Pools
A service professional’s guide that's been made simple.


Orenda Academy
For water chemistry & professional pool management knowledge.


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HASA Blog

Education that results in clean, clear and safe water for all.

5 min read

Pool Chemical Safety: Proper Handling, Storage & Transport

When it comes to pool chemical safety, there’s no room for shortcuts. Whether you’re a seasoned pool service pro or someone managing a community or backyard pool, understanding how to handle, store, and transport water treatment chemicals correctly...

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8 min read

How Pool Care Professionals Solve Problems Like Detectives

When most people picture a pool service visit, they imagine a quick skim, a chemical top-off, and a wave goodbye. But anyone who’s watched real pool...

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5 min read

Why Is My Pool Green? How to Clean and Prevent Algae Naturally

How to Prevent Algae Without Algaecides Few things are more frustrating than watching your pool water shift from clear blue to murky green. The...

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6 min read

Solving For Combined Available Chlorine in Pools

When you walk past a pool and catch that strong “chlorine smell,” your first thought might be that there’s too much chlorine in the water. But here’s...

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3 min read

The 2026 Early Buy Program Smart Guide

The 2026 Early Buy Program Smart Guide

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Summertime party at the swimming pool with friends

2 min read

Use This Pool Care Checklist for a Perfect Pool Party

Pool Party Reality Check: The Water Has to Be Ready Before the People Are There’s nothing like hosting a pool party — laughter, music, and people...

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Pool technician uses a skimmer to rake up leaves from the water

2 min read

Here’s Why Experts Should Handle Your Pool Care

Owning a Pool is Not Just a Vibe — It’s a Responsibility With Chlorine Attached A swimming pool turns your backyard into a private resort — a place...

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Closeup image of a hand splashing water in the pool

4 min read

Unbalanced Pool Water? Learn the Warning Signs & Fixes

When Your Pool Water Feels Like Algebra — But Doesn’t Have to Maintaining properly balanced pool water can sometimes feel like solving a cryptic...

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Elderly man jumps into his swimming pool

4 min read

Want to Get a Pool? Read This Before You Buy

The Smart Way to Own a Pool: Safe, Clean, Clear Confidence A swimming pool isn’t just a backyard feature — it’s an investment in your family’s...

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7 min read

Debunking Liquid Chlorine Myths | Your Pool's Best Sanitizer

Choosing the right pool sanitizer isn’t just a matter of preference; it’s the backbone of safe, efficient, and reliable water treatment. For pool...

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