HSI Water has treated water since 1955. We build sulfurous acid generators in the United States, and more than 2,000 systems are installed worldwide.

Built on a foundation of technical expertise and strong customer relationships, the company has earned a reputation for dependable systems, responsive service, and a commitment to solving real-world problems.

At its core, HSI Water is committed to practical innovation, trusted partnerships, and water solutions that benefit the world. 

Over the decades, HSI Water has focused on providing effective treatment solutions that help customers manage water quality, improve system performance, and operate more efficiently.

Now, with Derek Gonseaux and Jake Manchaca joined with pioneer Terry Gong and legacy family John Harmon, HSI Water is expanding to bring additional operational, commercial, and strategic leadership to the business. Together, the leadership team is focused on strengthening HSI Water’s core services while expanding the reach and capabilities of its technologies.

seventy years on one problem

Today, HSI Water is actively exploring innovative, real-world applications for advanced water treatment, including solutions for

By combining proven systems with practical field experience, the company works alongside customers to turn complex water challenges into reliable, sustainable solutions.

AGRICULTURE

GOLF COURSES

VINEYARDS

treating water Since 1955

installed worldwide

2,000+
Systems Installed

Sulfur quality decides how your generator runs. Poor material plugs burners, slows the burn rate, lowers efficiency, and corrodes equipment early.

We recommend HSI 99.9% pure pastille elemental sulfur, OMRI listed. Store it dry, never load wet sulfur, and follow the MSDS

INDUSTRY AFFILIATIONS

INSPIRED BY NATURE  • ENGINEERED FOR YOU         INSPIRED BY NATURE • ENGINEERED FOR YOU         INSPIRED BY NATURE • ENGINEERED FOR YOU         INSPIRED BY NATURE • ENGINEERED FOR YOU        INSPIRED BY NATURE • ENGINEERED FOR YOU         INSPIRED BY NATURE • ENGINEERED FOR YOU         INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU        INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU          INSPIRED BY NATURE • ENGINEERED FOR YOU      

Talk to an HSI WATER Specialist

Our team has decades of experience with high pH, bicarbonate, and sodium problems. Call or message us.

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