Soft Water Loops: Outdated Plumbing Code or Still Relevant in 2025?
Discover why soft water loops were once essential, how new technology is changing the game, and what options you have for clean, healthy water throughout your home or business.
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Mountain Fresh water from your home tap
The cascadian flow
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1. Test your water
Start by testing your water with our affordable test kit or sending us a recent water report so we can understand your home’s specific water quality.
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2. Get expert guidance
We’ll review your results and help you choose the right system tailored to your needs.
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3. Professional or DIY Installation
Most customers choose a licensed plumber for quick, worry-free installation, but if you prefer, we also provide DIY support to guide you through the process.
How it works: Polyhalt
Created by Cascadian, PolyHalt® is a polyphosphate blend; a mineral that occurs in nature. As positively charged metal ions that make water “hard” pass through PolyHalt® new ionic bonds are formed. This changes the chemical makeup of the water, changing it from “hard” to “soft.”
- Plant and fish safe
- Salt free Water softening
- Prevents silica damage
- Brightens laundry
Integerated Cartridge Solutions
Every water source is different, so why pay for generic treatment that doesn’t fit? With our ICS, we design a solution tailored to your specific water, whether it’s from a well or municipal supply, and no matter the system size, so you get effective, reliable treatment every time.
Let customers speak for us
from 252 reviews
A+++++
Very helpful and responsive folks! Thank you!
Only the best
This is our 3rd year for filter replacement. This time we purchased the yearly replacement. Our filter system makes all the difference in the water quality!
Much better
Our water tastes so much better with our new system online!!! Highly recommend
Feel better using the Cascade water and deionizing filter system
cascadian water sent us the new filter and arrived in 2 days so very fast service. We wish we started to deionize and filter our water sooner. We feel better that the filter helps to protect our body and appliances from getting clogged up with mineral deposits.
Attentive and friendly
We recently moved into a house with a Cascadian Water filtration system, and their team has been super helpful in identifying the system and getting a new filter ordered for us with a quick turnaround. They're attentive and friendly and send the product in a super timely manner!
Very happy with this product
This is some of the best money I've ever spent. Our harder, high in iron H2O tastes great now, right out of the tap. Excellent customer service at Cascadian as well. I'm beyond pleased that we went with this product. Myself and my family sincerely thank all of you at Cascadian.
Great water filter for hard California water
My daughter recommended the Cascadian water filter and after reviewing the other systems on the market and available around San Diego I concluded the Cascadian water filter was the best for me. Our water is extremely hard down here and now the water in my home is perfect and soft!! We can easily tell the difference, in the taste, after washing our hair, etc. The system was easy to install (I did have help from a friend/plumber) and once it's turned on you just walk away and forget about it until next year when the filter needs to be replaced. No noise, no electricity needed, easy to maintain and service. This is a great system for my home. Highly recommended.
Ted Witte
ICS-TP Activated Carbon Filter with PolyHalt® Salt Free Softener and Conditioner
10/24/2024
Best decision ever!
We recently built a house here in Chelan WA and decided to put a Cascadian Water filtration system in our home. Best decision ever! It has helped make our well water the clearest, best taking water I have ever had! Their customer service folks are responsive and helpful as well!
I highly recommend their products!
Simply The Best, Better Than All The Rest
I'm not given to writing reviews since every time we purchase anything the nagging to do so begins. But this review I want to write. Since moving to New Mexico 15 years ago I have purchased various water softening systems: salt, potassium, citrus and a few electromagnetic devices that attach to the pipes. None of them were to my liking. And then I discovered Cascadian Water. I was able to keep the housings from my last system, the NUVO, which was useless, and just replace the cartridges with Cascadians. What followed was more than surprising. There was a definite change in the quality, the feel, the taste of the water, as well as the minimalizing of deposits on everything that comes in contact with water. I replace the cartridges once a year which takes a very short time and little effort. And an important factor is Cascadian is eco-friendly. I recommend Cascasdian Water without any reservations.
No Slime, Just Happy Skin!
No more slime! My skin feels wonderful. We live in the desert with salt systems in almost every house. I'm so glad we are fortunate enough to have our polyhalt system.
Easy Ordering and Replacement
I've had my cascadian filter for 3 yrs now, replacing the cartridge yearly. I no longer get my faucet strainers plugged with sludge. All water appliances have no water issues. Drinking the water right from tap with no issues. Excellent Product and replacing filter is fairly easy. Totally recommend cascadian and customer service is top notch.
Seeing is Believing: Proof of Powerful Filtration
When we change our filters, there's a thick layer of reddish-brown muck around the filter so we know the filtration system is doing it's job extraordinarily well. I wouldn't want to drink or use the water without it!
5-Star Service: Fast, Reliable, Exactly What I Needed!
Excellent, super fast service and delivery. I believe it came overnight! Way faster than I expected. The filters are large, fairly expensive, but it is what I needed. 5 stars!
Orange Stains Gone! This Filter Saved Our Fixtures
The water filtration system works extremely well. Our Well has heavy minerals which caused our sinks, tubs and toilets to turn orange. After installing the filters, problem is fixed. Filter replacement is simple.
Seven Years of Crystal-Clear Water
We’ve been using cascadian whole house filters for seven years and couldn’t be happier with the results. Changing the filter cartridge is simple and straightforward and I’ve never had a problem. We’re still amazed at the before and after results as evidenced by the photo!
cascadian clear blog
View all-
Soft Water Loops: Outdated Plumbing Code or Still Relevant in 2025? -
Why Soft Water Can Damage Your Plants and How to Protect ThemWhy Soft Water Can Damage Your Plants and How to Protect Them
Traditional salt-based water softeners replace hardness minerals with sodium, which can harm plants by limiting water absorption. PolyHalt, a salt-free softening media, prevents scale build-up without adding sodium, protecting both...
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What Kind of Water Test Do You Really Need?What Kind of Water Test Do You Really Need?
Confused about water testing? Learn the difference between lender-required tests, certified lab reports, and Cascadian’s simple in-house water test designed for well owners. Get clear answers from water experts.
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PFAS, Filters, and False Promises: Why We Don’t Sell the Solution Everyone’s Asking ForPFAS, Filters, and False Promises: Why We Don’t Sell the Solution Everyone’s Asking For
We break down the real story on PFAS, their everyday presence, and why Cascadian doesn’t sell filters for them—because doing the right thing matters.
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EWS Spectrum vs. ICS-STP: A Whole Home Filtration ShowdownEWS Spectrum vs. ICS-STP: A Whole Home Filtration Showdown
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The Single Solution to Rotten Egg Smell, Slime, and Everything Else Wrong with the Water in Your HomeThe Single Solution to Rotten Egg Smell, Slime, and Everything Else Wrong with the Water in Your Home
Cascadian addresses complex water quality issues, offering over 30 years of expertise in water softening technology. Say goodbye to hard water stains, rotten egg smells, and slimy water with Cascadian’s...
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Why Citrus-Based Softeners are Real LemonsWhy Citrus-Based Softeners are Real Lemons
Cascadian PolyHalt® stands out in the salt-free water softener market with its chemical-free ion bond technology, offering a safe, efficient, and eco-friendly solution for hard water without the corrosive effects...
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