How Do Saltwater Pools Work?

Summer is a time for warm weather, long days, and new memories made around a shimmering pool. Homeowners considering installing a pool or switching to a saltwater pool system this summer may wonder — how do saltwater pools work?

Read on for the science behind saltwater pool systems and where to buy salt for your pool.

What is Electrolysis?

Saltwater pools may feel like magic, but there is science behind the silky-soft water. Saltwater pool systems use a process called electrolysis to create low levels of chlorine through the combination of salt and electricity. 

Basically, these pool systems push salt water through a generator, where a low-voltage electrical current is applied. The electricity facilitates a chemical reaction that breaks salt into two key components: sodium and chloride. 

The chloride ions are oxidized and produce chlorine gas. The chlorine gas dissolves in the water, forming the same sanitizing agents in chlorine pools. These agents tackle bacteria, algae, and other contaminants — leaving you with clean and clear water to enjoy.

What are the Benefits of Saltwater Pool Systems? 

Saltwater pools are increasing in popularity. In fact, over 10% of all pools in the U.S. are saltwater pools. Some prefer them for a more “natural” swimming experience. Once you understand how saltwater pools work, your decision relies on the benefits you get out of it. 

Many homeowners cite the same reasons, such as: 

  • Little to No Smell: Chloramines are the compounds that cause the smell associated with chlorine pools. Electrolysis produces far lower levels of chloramines — meaning saltwater pool systems create little to no smell.

  • Less Irritation. Chloramines in traditional pools may cause red eyes and irritated skin with prolonged exposure. Using salt for your pool results in lower levels of chlorine at any given time — leading to softer water.

  • Reduced Maintenance. Traditional pools require a regular dose of chemicals like chlorine to “shock” contaminants out of the water. Meanwhile, saltwater pool systems create chlorine, making them theoretically self-cleaning.

  • Lower Long-Term Cost: Traditional pools are typically cheaper to set up, but the cost of chemicals gradually adds up. Though saltwater pool systems require a higher up-front cost, they only need a supply of salt — which is more cost-effective in the long run. 

Where Can I Buy Salt for My Pool? 

Countless businesses and homeowners across the Midwest rely on Gunther Salt Company for their salt supply. We offer a variety of products, including water-softening salt, agricultural salt and ice melt. However, our team understands how saltwater pools work and has crafted a product specifically to keep your pool clean. 

Gunther Salt Company’s Pool Salt is a natural antiseptic, preventing bacteria and algae while remaining gentle on swimmers’ skin. Currently, 40# bags of this product are available for delivery or pickup upon request. 

To order salt for your pool, contact Gunther at 314-241-7075. Once your account has been set up by our accounting department, orders can be emailed to orders@gunthersalt.com.

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