Southern California Water, Understood

Built to perform.
Built to last.

A twin-tank system built to fix what's really in your water: chlorine and chloramine that dry out skin and hair, plus the hard-water minerals behind scale and appliance wear.

CA Contractor License #1091779
10-year Structural Tank / 5-year Controller Warranty
Residential & Commercial
An installed Avanti twin-tank carbon filtration and softener system

Pictured: an installed Avanti twin-tank system

How is your water treating you?

Call us if you notice one or more of the four symptoms below.

Woman rinsing her hand under a rain showerhead

Dry, Itchy Skin & Hair

Chlorine and hard water strip away natural oils, leaving skin tight and hair dull.

The "Pool Smell"

Unpleasant chlorine or chemical odors steaming up your shower every morning.

Limescale Buildup

A crusty white residue on faucets, showerheads, and glass shower doors.

Appliance Fatigue

Your water heater, dishwasher, and washing machine work harder and die sooner due to scale.

Why Southern California water runs this hard?

Most homes across LA, Orange County, and the Inland Empire test between 7 and 20+ grains per gallon — solidly in "hard" to "very hard" territory. That's not a fluke of your city's system; it comes from where the water starts. A large share of the region's supply is imported Colorado River water, which is naturally rich in dissolved calcium and magnesium by the time it reaches the aqueduct. Wherever local groundwater fills in the rest of the blend, it's typically even harder, since it picks up minerals as it moves through soil and rock on the way to the well. Most regional utilities also disinfect with chloramine — a stable chlorine-ammonia compound built to survive long pipeline runs — which is what gives tap water that persistent "pool" smell.

7–19
Grains per gallon across major SoCal cities

Two-Stage Process. One Solution.

That's exactly why a single carbon-only filter or a softener alone never fully solves it — SoCal water needs both fixes, in order. Our twin-tank system pulls chloramine, chlorine, and VOCs out first with catalytic carbon, then strips the calcium and magnesium behind scale and spotting with high-efficiency ion exchange. One point-of-entry install, both root causes handled before water ever reaches a fixture.

Stage 01 — The Shield

Catalytic Activated Carbon

Chemistry Removal

Supercharged catalytic carbon is built to specifically target and remove chloramines, chlorine, VOCs, and industrial contaminants that standard carbon filters miss.

Stage 02 — The Softener

High-Efficiency Ion Exchange

Hardness Removal

Once the chemicals are gone, the second stage removes calcium and magnesium minerals that cause scale — protecting your plumbing and leaving silky-smooth water.

Two Tanks. Two Processes. One Clean Result.

Standard carbon filters aren't enough for cities using chloramine disinfection. Our twin-tank system handles persisting chloramine first, then hardness — in sequence. Both stages stand side-by-side on a compact footprint — typically in a garage, side yard, or utility closet. Each tank runs its own digital controller so you can see the remaining capacity and regeneration status at a glance.

Close-up of the Avanti twin-tank controllers installed side by side

Health, home, and wallet — all three benefits.

Woman wrapping a soft towel around her shoulder after a shower
For Your Health

Feel the difference

  • Better air quality: no more inhaling chlorine vapors in a hot shower.
  • Softer skin & hair: shinier, more manageable hair and skin that feels hydrated, not dry.
For Your Home

Protect what you own

  • Spot-free shine: dishes dry without spots, showers and sinks stay cleaner for longer.
  • Pipe protection: prevents scale buildup that clogs pipes and reduces water pressure over time.
For Your Wallet

Spend less, longer

  • Use 50% less soap: soft water lathers better, so you buy less shampoo, detergent, and cleaning product.
  • Longer appliance life: protects the investment in your tankless water heater, washer, and dishwasher.

Install It Once. Trust It For Decades.

Uncompromised Water Pressure and Flow

High-flow design ensures you never suffer water pressure or flow drop, even with two showers running simultaneously.

Eco-Friendly Efficiency

Smart controller technology adapts to your specific usage, cutting down on waste by regenerating only when absolutely needed.

Built to Last

We only use commercial-grade 10% cross-link resins — the toughest available — so your system tackles hard water year after year without losing effectiveness.

Zero-Hassle Operation

Enjoy soft water without the work. Just set it, forget it, and let the system handle the rest.

LIMITED WARRANTY 10/5 YEAR WARRANTY STRUCTURAL TANK: 10-YR CONTROLLER: 5-YR

10-year structural tank.
5‑year controller warranty.

PROUDLY BUILT MADE IN THE USA

Assembled in California with made in USA parts.

Ready to love your water?

Don't guess about what's in your water. Contact us today for a free, professional consultation. We'll walk your home, test your water, and tell you straight whether our twin-tank system makes sense — no pressure.

(909) 878-6698 info@avantimembrane.com
Serving Southern California
CA Contractor's License #1091779
Child drinking a clear glass of water outdoors

Request a free consultation

We respond within one business day

No obligation. This button prepares an email request; it does not submit data to a server.

Your request is ready.

We don't send forms to a hidden inbox. Your details are prepared below so you can open your email app and send them directly to our team.