10 Best Hard Water Filters for Washing Machine | Updated!!!

The best hard water filter for washing machines utilizes cutting-edge technology to purify all contaminants and hardness water.

Hard water harms the quality of your clothes and the performance of your washing machine. Hard water is thus named because it contains extra minerals such as calcium and magnesium. As a result of the mineral salts, limescale can form within your washing machine, shortening its lifespan.

There are several choices when it comes to the best hard water filters for washing machines. It may be challenging to look through them all to find the most suitable ones for your needs.

You’ll find some of the best water filters for washing machines in this article. Additionally, installing this device may result in water savings.

So, without further ado, let’s get started.

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Top 10 Best Hard Water Filters for Washing Machine

The following is a list of the top ten best hard water filters for washing machines:

  • Twinkle Star Sediment Filter
  • Amazon Basics Inline Water Filter
  • Inline Water Filter 84470 Washing Machine
  • SCALEX Reusable Washing Machine Anti-scale Water Filter
  • Whole House Reusable Washing Machine Water Filter
  • General Pump Brass Inline Water Filter
  • SETEN Reusable Sediment Water Filter
  • Inline Water Filter 85470 Washing Machine
  • AQUSTAR Sediment Filter 
  • DURAWATER Black Fleck 5600 SXT Air Injection Water Filter

1. Twinkle Star Sediment Filter

Water Filters for Washing Machine

Twinkle Star sediment filter is the ideal solution for washing machines when softening hard water for laundry.

With a 34-inch water hose filter, the Twinkle Star Sediment Filter protects your water from residues. It features 100 mesh and a 40 mesh that filters unwanted minerals in hard water. In addition, a high-quality stainless steel screen filter and a durable, wear-resistant aluminum connection also assist in enhancing pure water.

This filter makes it easy to remove undesirable particles from your hoses and other fittings. This brass garden filter prevents leaks when used with a high-pressure washer with a maximum pressure of 80psi.

Furthermore, compatibility is one of the best characteristics of this water filter. This washing machine water filter is appropriate for both hot and cold water.

Along with an extra pair of hose washers, this inline water filter for the washing machine saves customers time by not having to go to the hardware store.

Filter installation is straightforward because it comes with a user guide that shows you how to do it correctly from start to finish.

  • Great performance
  • Easy to install
  • Suitable for both hot and cold water
  • Wear-resistant aluminum connection
  • Value for money
  • Leakage if not properly sealed

2. Amazon Basics Inline Water Filter

Amazon Basics Inline Water Filter

The Amazon Basics inline water filter is a filter that will give you a decent return on your investment. So, if you’re looking for a reliable water filter, don’t hesitate to go for it.

It has KDF technology and a 20-micron sediment filter to help protect your water supply from harmful impurities. As a result, it produces safer and cleaner water.

It also works with a conventional water hose or faucet to cleanse the water that flows through it.

Furthermore, this technology inhibits bacterial development while trapping dirt, viruses, and other potentially harmful chemicals. A chlorine filter for washing machines is also included, which lowers chlorine and associated odor.

Another distinguishing characteristic of this model is the presence of two inline water filters. A flexible hose protector, however, is missing from the packaging! It needs to purchase separately.

This inline filter has a long life expectancy. It is so tough that it can withstand the elements for an entire season!

In terms of installation, it is simple, and in terms of cost, it is inexpensive for long-term usage with proper care.

This washing machine water filter also comes with a one-year manufacturer’s warranty. Because of this, you should feel confident to buy it.

Unfortunately, its drawback is plastic construction, which is easily broken and cannot be reused. It’s also incompatible with hard water pressure, which you’ll need to deal with caution if you want to use it for a long time.

  • Durable
  • Suppress bacterial growth
  • Lifespan up to 1350 gallons
  • 1-year warranty
  • Easy to break

3. Inline Water Filter 84470 Washing Machine

best hard water filter for washing machine

This inline water filter for washing machines helps eliminate particle accumulation while also extending the machine’s life.

This water filter features a 5-stage filtration system. It means that the filtering system may capture dirt particles, pollutants, and even microscopic microns.

It has a system that collects particles in the water long before they reach the intake valve screen. It also works well and can last for months if the water is not polluted. It also works well with both hot and cold water.

In terms of installation, it is quick and straightforward to do. According to the manufacturer, once you install this water filtration system in your washing machine, you will never have to clean the valve screens again.

These filters operated brilliantly and aided in the upkeep of the washing machine’s interior components. It will specifically protect your washing machine while enabling water to flow freely via the pipe system.

Overall, it is the best inline water filter for a washing machine because of all of these qualities. Despite the high price, the filter is well worth the investment.

  • Five-stage filtration process
  • Suitable for both hot and cold water
  • High-quality plastic construction
  • Value for money
  • Expensive

4. SCALEX Reusable Washing Machine Antiscale Water Filter

Reusable Washing Machine Antiscale Water Filter

If you want to invest in this low-cost, easy-to-use gadget to protect your washing machine from corrosion and damage, SCALEX reusable filter is for you.

The filter is free of phosphates and polyphosphates, thanks to its revolutionary and environmentally beneficial design. It softens hard water and prevents scale build-up on equipment. It also prevents your garments from being damaged while they’re being washed.

If you change it at least every six months, this inexpensive filter purifies the water supply to your washing machine and avoids crystal formation.

This filter reduces calcium, magnesium, and iron in tap water using ion-exchange technology. Aside from that, you may expect much cleaner and smoother clothes, even with less detergent usage.

It reduces scale formation and kills bacteria and pathogens that are common in most water streams.

This anti-scale filter reduces energy consumption by up to 30% and saves up to 40% on washing powder and detergents, increasing efficiency and extending machine life.

Altogether, this is the best anti-scale water filter for washing machine 2021, thanks to its eco-friendly design, high performance, and high flow rate.

  • Improves washing efficiency
  • Easy installation
  • Protects the washer against scaling
  • Eco-friendly technology
  • Good flow rate
  • Extends the life of washing machine
  • Minor leakage issue

5. Whole House Reusable Washing Machine Water Filter

Another good option for boosting wash quality and extending the life of your machine is the Whole House Reusable Washing Machine Filter.

This water filter is a multi-purpose filtration system that isn’t simply great for your washing machine.

However, it works with the majority of water purifiers, water heaters, and dishwashers. This filter protects your appliances by preventing toxic particles from entering your plumbing system.

Although it’s not expensive, the unit has many sediment filtering layers to remove pollutants from your machine’s water supply.

Apart from sediments, the gadget also protects your clothes and device against bacteria, worms, parasites, and rusts entering the machine’s water supply.

It is compatible with both top and front load washers and has a far longer lifespan than most other washing machine filters on the market.

Moreover, if you’re unhappy with the purchase for any reason, you have 30 days from the date of delivery to return it to the seller.

  • Incredible filtering performance
  • Clean water supply
  • Compatible with most washing machine brands
  • Great lifespan
  • 30-day return policy
  • Leakage may occur owing to faulty connections.

6. General Pump Brass Inline Water Filter

best water filter for washing machine

The Brass Inline Water Filter from General Pump features the most revolutionary see-through filter on the market today. This brand offers a 1/2″ NPT-M outlet with their innovative easy-grip nut, making it simple to connect to the female NPT without leaking water!

The filter is merely 10.86 ounces in weight, making it easier to install because it won’t damage your hands as much as other filters.

The low-pressure stainless filter in this water filter preserves your devices by filtering pollutants out of the incoming water supply.

The translucent plastic also enables you to see if the filter needs to be cleaned.

This washing machine water filter has done an excellent job, and we like how simple it is to disassemble. It’s also possible that it’ll be washable and reusable. It is, however, a bit pricy, but it is worth it if it prevents costly fittings from being blocked.

This brand’s flaw is that it does not include an adaptor, which needs to purchase separately. Apart from that, it is the best washing machine water filter.

  • Convenient to use
  • Strong see-through filtering configuration
  • Great quality
  • Excellent grip
  • Pricey

7. SETEN Reusable Sediment Water Filter

Reusable Sediment Water Filter for washing machine

SETEN reusable washing machine filter, like any other filter on this list, is necessary for removing pollutants and particles from water.

This hard water filter for washing machines is suitable for all washing machines, including top-loading and front-loading models.

It’s simple to set up by hand, and if you get stuck, there’s an instruction manual in the package to help you out.

It’s a multi-layer filter that eliminates the majority of pollutants from water. The filter will purify the water to remove debris and hazardous chemicals, allowing only soft water to enter the tank. As a result, you’ll use less detergent and have cleaner clothes.

The water filter not only saves you money on detergent and allows you to clean more effectively, but it also prevents your equipment from damage.

It is just as simple to maintain as it is to install. The filter must be replaced regularly to maintain its efficiency and to prevent bacterial infection.

Every six months, simply replace the water filter to ensure that your washing machine works to its full potential.

8. Inline Water Filter 85470 Washing Machine

Inline Water Filter 85470 Washing Machine

Undoubtedly, Inline Water Filter 85470 is the best hard water filter for washing machines. This filter will not only protect your washing machine from scaling but will also save you money.

Even so, it will keep other contaminants out of your wash cycles, such as iron, algae, and bacteria.

When dealing with large amounts of sediment, poly fiber is an excellent choice because it is long-lasting. The water filter prevents limescale deposits from forming on the device’s components.

It uses a 5-stage filtering technique to remove hazardous and unneeded minerals and sediments from the water.

The filter catches 98 percent of particles with a diameter of more than 25 microns. Furthermore, it does not harm any of your washing machine’s critical components. It is used to filter both hot and cold water.

Furthermore, installing or upgrading the water filter is simple. Both the installation and the replacement processes are straightforward and quick.

It has a good mix of price and performance, as well as a good design. With this inline water filter, you can expect a superb washing cycle.

  • Quick to install
  • Budget-friendly
  • Protects sediment build-up
  • Prevent valve screen from clogging
  • May not operate well with high-pressure water

9. AQUSTAR Sediment Filter

AQUSTAR Sediment Filter for washing machine

If you believe that machine washing degrades the quality of your clothes, consider using this fantastic washing machine filter.

This water filter weighed 8.3 ounces and had dimensions of 3.15 x 3.15 x 8.27 inches. As a result, it’s relatively simple to navigate. Furthermore, due to its durable construction, you may replace this unit quickly and easily.

It provides optimum filtration, which is one of the possible attributes. This washing machine water filter includes two filters: one for sediment and one for the softener, and it uses cutting-edge filtration technology to assure disinfection.

As a result, it can remove dirt, heavy metals, and other pollutants. It’s perfect for clothing and underwear!

When dangerous elements are removed from the water entering your washing machine, it will run at peak efficiency and be less likely to break down.

It also has a transparent housing body-color, allowing you to keep the filter state daily.

This housing system is easy to install and does not require any special tools.

Overall, this water filter is of high quality and is relatively easy to use. It is, without a doubt, the most effective sediment water filter for washing machines.

  • Simple replacements
  • Great performance
  • Easy installation
  • Suitable for high-pressure water
  • Leakage issue

10. DURAWATER Black Fleck 5600 SXT Air Injection Water Filter

Air Injection Water Filter

Fleck’s inline water filter, which is well-known for removing iron from hard water, is another product that falls within the category of water fitters.

This iron water filter for washing machines is a two-in-one deal for water filtration systems and softeners. This DURAWATER Fleck 5600 SXT purifies your water by removing iron, sediments, and hardness.

DURAWATER extends the life of your washing machine and other appliances, saving you money. It also inhibits congestion and the formation of chalky deposits.

The best part is that it includes a Fleck 5600SXT air injection control head for monitoring and controlling. Air injection valves and filtering water perform a daily back flush to clean the media and drain the filth. It aids in the prevention of blockage and provides fragrant water.

Furthermore, no tools are required to install the filter; it will only take a few minutes to get it up and run. You may also replace the filter cartridge without any difficulty if you desire. In addition, there are few maintenance requirements and costs.

Overall, this filter is an excellent choice for those looking for the best iron removal water filters for washing machines.

  • Ease of use
  • High iron removal
  • Affordable
  • 5-year warranty
  • Bit pricey

Best Hard Water Filter for Washing Machine – Buyers’ Guide

Before deciding on the best hard water filter for your needs, think about the following factors.

  • Materials
  • Water Flow Rate
  • Easy Installation
  • Ease of Maintenance
  • Price

1. Materials

When it comes to purchasing a water filter, the materials are significant to consider. Many filters are made of food-grade brass and are lead-free. As a result, you can purchase them to protect your clothes and to wash the machine safely.

2. Water Flow Rate

Purchasers need to have a steady water supply; therefore, this is a significant concern for buyers. Check to see if your water filter can produce enough water per minute before acquiring one. As a result, it aids in the smooth flow of water.

3. Easy Installation

Select a water filter that is simple to set up and does not necessitate any plumbing knowledge. Most people prefer to install it themselves, so make sure there are clear instructions included.

4. Ease of Maintenance

When selecting effective hard water filters, the most crucial factor is their maintenance. The best washing machine filters should be simple to maintain and use.

Therefore, you should opt for a water filter that is simple to maintain.

5. Price

Ultimately, it is your money that matters; therefore, always choose an affordable product. However, it is not always the case that the most expensive products are of the highest quality.

How Hard Water Affects Your Clothes

The mineral concentration of your water can influence how you wash your clothes. Hard water accelerates the deterioration of clothes fibers and lowers the efficiency and durability of your washing machine.

Hard water has dissolved calcium and magnesium compounds, and detergents don’t get along with those minerals. Thus, the more the mineral content of the water, the harder it is and the more significant the influence on laundry.

Hard water frequently contains iron particles that generate iron oxide or rust when coupled with chlorine bleach, discolor clothing.

Similarly, hard water’s chalky minerals reduce the efficiency of soaps and detergents. It inhibits the detergent from cleaning the dirt, sweat, and filth out of your garments as it should in the washing machine.

It is why garments that have been washed in hard water may still smell nasty or feel filthy.

The following are some of the most common issues related to hard water:

  • Laundry can be readily grayed or yellowed.
  • Wear and tear on clothing is more likely.
  • The fabric is not soft but relatively rigid.
  • On colorful clothing, white or gray streaks develop.

To address these concerns, purchasing hard water filters is a sensible decision. It not only cleans and neatens your garments, but it also extends the life of your washing machine.


Finally, the best hard water filter for washing machine review comes to an end.

If you have hard water in your home, limescale build-up could impair the life of your household appliances. You may substantially minimize the amount of limescale in your home by using water filters, which remove minerals from your water supply.

We’ve put together a list of the top ten water filters for washing machines. Choosing the proper one will help you increase the longevity of your washer and boost its efficiency levels. Also, keep in mind that regular cleaning and filter replacement will help extend the life of your washing machine filters.

Hopefully, this article has helped you choose the best water filter for your washing machine.


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