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Best Water Softener for City Water: Aquion FS-220

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What is the best water softener for city water? If you’re on a city’s water supply, you may think that the water you use is free and clear of all potential damaging minerals causing what is known as hard water. You probably think this because municipalities are known to be governed by the strict standards set by the Environmental Protection Agency or EPA.

On one hand, the EPA regulates local water authorities to reduce contaminants or remove impurities which are potentially harmful to humans.

But the local city water suppliers are not required to deal with  contaminants that pass through the pipes on the way to the faucets.. They do what they can, but with treating hardness on such a large scale, it can be difficult to reduce all of the hard water minerals that are well known to do damage.

These hard water minerals will slowly but surely damage  and plug up your pipes and appliances. While it would be great to have the entire city water supply soft. Unfortunately this is usually not the case when you are treating water on such a large scale.

The majority of city homes in the US are plagued with hard water. You can confirm and determine the level of hard water minerals in your water with an at-home hard water test kit which you can get easily buy online. The nasty taste of chlorine, however, is easy to recognize and probably does not require a test.

This less than delightful taste has been responsible for many cases of bottled water sold in the U.S.  Want to save some money? Filter it out just like the bottled water companies do and save hundreds or even thousands of dollars

If your appliances and drinking glass show tell tale signs of  mineral build-up, or if your water doesn’t suds up like it should. Then, you should probably test your water for hardness. Any amount of hardness will cause mineral build-up and slowly damage your appliances. If your hardness test  is 10 GPG or more, then your water is considered extremely hard.

If the test result shows positive for hardness. Then, it’s high time that you install the best water softener for city water as soon as possible.

Meet the Best Water Softener for City Water: Aquion FS-220 Water Softener and Filter

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While there are many water softener systems invading the online market, there’s always one that you don’t expect to do all the things that justify its price.

This is exactly how the system we’re taking a look at today  earns its title as the best water softener for city water supply. Meet the humble yet hard-working Aquion FS-220 Water Softener and Filter.


Two-in-One Water Softening and Filtration System

Why is this the best water softener for city water? Because using this system is like killing two birds with one stone. It will condition your water so that further scale buildup is prevented and your soaps or detergents lather easily. It can even soften up the existing mineral deposits in your plumbing system over time and vanquish them out your pipes forever.

Added to that, the fact that this system will also filter out, the sediments, organic impurities, and chlorine from your water. Using a  activated carbon block filter Hence, making it cleaner and better tasting. Also, those frustrating discoloration and odors will be part of your distant past.

Get all these with a single unit that you can easily fit into a relatively small space.

Salt-free Water Conditioner

Unlike salt-based water softeners, Aquion FS-220 won’t give you that slippery feel because it uses no salt. Instead, it employs a natural occurring technology. Utilizing Siliphose (FDA-approved food-grade polyphosphate additive), to treat hard minerals (calcium and magnesium) in your city water to inhibit limescale deposits.

A salt-free water conditioner means, your water will not be stripped of healthy minerals that are otherwise damaging to pipes and fixtures, but good for your body.

Hence, a salt-free system will not totally remove healthy minerals. Instead, it simply makes them unable to bond to surfaces, preventing spots or films on your sinks and faucets.

Rather, it helps prolong the service lifespan of your  appliances and pipes. Saving you from frequent repairs and early replacements. It also makes your skin softer and your hair shinier by eliminating the hardness from your water.

Clear Water Drops

High Capacity Filtration

Another bonus, which makes the Aquion the best water softener for city water supply, is its high absorption filter cartridge. It is equipped with a 5-micron filter rating that can effectively reduce water hardness by 22 GPG or 380 PPM, and chlorine by 12,000 ppm at 2 GPM.

Employing a solid carbon filter avoids the release of carbon granules or fines into your water. Meanwhile, freeing it from potentially harmful contaminants. What you get at the end of the filtration process is nothing, but fresher and purer water to enjoy. It can go up to 40,000 gallons or about 6 months of use.  That’s a lot of water.

Hassle-free Installation and Maintenance

Another great plus of the unit is its compact design and it doesn’t require any electricity.

What’s more, you won’t be bothered about programming. Nor waiting for the loud regeneration cycles to finish, which are the common complaints from salt-based softener users.

Just be certain the system is properly installed in your water input line and you’re good to go. The only major concern you’ll have is replacing the filter cartridge once exhausted.

Other Great Features of Aquios FS-220 You’ll Love

To top it all off, the system has a valve-in-head design which contains user-friendly shut-off and bypass functions. This means when you’re changing the cartridge, you can turn off the flow of water. You can do this by just twisting the head to shut-off function.

You can also extend the life of the filter. By using the bypass function when you’re in need of untreated water such as in your gardening purposes.

As if these things are not yet enough to win this system a thumbs up. Your purchase comes with an impressive 20 years warranty, both on its housing and valve.

So, even the most skeptic city dwellers, should have peace of mind, in choosing this best water softener for city water.


  • A perfect combo of water softener and filter
  • Salt-free water conditioner
  • Doesn’t require electricity and programming
  • Solid carbon block filter
  • Built-in head valve for shut-off and bypass functions


  • Requires regular filter cartridge replacement
  • Without filter replacement indicator

The Hard Reality About Softening Water

As a final point, softening your city water supply will not likely get done by the local authorities. Thus, the only best option you’ve got is to do it yourself. This can be achieved by installing the best water softener for city water. In the long run, you’ll  be happy you did.

Last update on 2024-02-29 / Affiliate links / Images from Amazon Product Advertising API

About the Author Jack Wilson

Jack Wilson is a water treatment consultant as well as a topic researcher and post editor for all posts on bestpurifiation.com.

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