How is this different from a traditional salt-based water softener?

Our systems are salt-free. Catalytic filtration media alters the structure of calcium and magnesium so they can't form hard scale — no salt bags, no chemicals, no sodium added to your water.

Which system is right for my home?

It depends on your home size and water usage. The Elite-15 and Classic-10 work for any home size (up to 6 bathrooms), while the Eco-5 suits medium homes with up to 3 bathrooms. A free water evaluation confirms the best fit.

Do I need to change filters or add salt?

No. All of our systems are cartridge-free and salt-free, with no ongoing filter changes or salt refills required.

What warranty comes with the system?

Every system includes a 15-year, non-prorated limited warranty covering parts and labor, plus a free annual inspection.

Is the water evaluation really free?

Yes — a full water quality test and consultation come with no cost and no obligation.

What areas do you serve?

We're based in Carlsbad, CA and serve homeowners throughout San Diego County, including Oceanside and surrounding communities.

What is a salt-free water softener?

A salt-free water softener conditions hard water without adding sodium or chemicals. Instead of stripping out calcium and magnesium with salt, our catalytic media changes the structure of those minerals so they can't form scale — protecting your pipes, appliances, and fixtures while keeping water healthier to drink.

What is cartridge-free water filtration?

Cartridge-free means there are no filter cartridges to buy, track, or replace. Our systems use long-lasting internal filtration media designed to keep working for years without swap-outs, so you get continuous filtration without the recurring cost and hassle of standard cartridge filters.

What is whole house water filtration?

Whole house water filtration treats water at the point it enters your home, so every faucet — kitchen, bathroom, laundry, and outdoor spigots — delivers filtered water. That's different from an under-sink or pitcher filter, which only treats water at a single point of use.

one-water-Slider-onewater-2026–1-May-2026 (1) | One Water Systems | Whole House Water Filtration & Water Softening Systems

760-994-4795

customercare@onewatersystems.com

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customercare@onewatersystems.com

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