Can a Water Softener Cause Low Water Pressure?

The short answer is: A water softener can cause low water pressure in a home if it's not properly maintained. Over time, resin beads in the softener tank can become coated with minerals, reducing their effectiveness and impeding the flow of water through the system, resulting in lower water pressure throughout the household plumbing.

Water is an essential resource that we use on a daily basis for everything from washing our clothes to bathing, cooking, and cleaning. However, it is not uncommon to experience low water pressure in our homes. Low water pressure can make even the simplest tasks like taking a shower or doing the dishes more challenging.

One of the causes of low water pressure is a malfunctioning water softener. In this blog, we will discuss whether a water softener can cause low water pressure and how to fix the issue.

What Is a Water Softener?

Before we dive into the topic of low water pressure, let's first understand what a water softener is. A water softener is a filtration system that is designed to remove hard minerals such as calcium and magnesium from water. Water that contains high levels of these minerals is referred to as hard water, and it can cause various problems like scale buildup in pipes, water spots on dishes and glasses, and soap scum in showers and bathtubs.

A water softener is an important addition to any home's plumbing system. This type of house water filtration system is especially important if the water in your area is hard and full of minerals.

There are three main components to a water softener: the resin tank, the brine tank, and the control valve. The resin tank is filled with small resin beads that attract and hold onto hard water minerals like calcium and magnesium.

As water flows through the resin tank, these minerals are trapped and replaced with sodium ions, which do not contribute to the negative effects of hard water. The brine tank is responsible for regenerating the resin beads by adding salt to the water and flushing out the stored minerals. Finally, the control valve regulates the cycles of backwashing, recharging, and rinsing to ensure optimal performance of the water softener.

Can a Water Softener Cause Low Water Pressure?

One of the most common complaints that homeowners have about water softeners is low water pressure. Low water pressure occurs when the water flow from the faucets and showerheads in your home is weak and insufficient. It is a frustrating issue that can disrupt your daily routine.

Unfortunately, a malfunctioning water softener can be the problem creating low water pressure. Here are some reasons your water softening system may be causing low pressure.

Water Softener Tank Is Clogged

A water softener can cause low water pressure when it becomes clogged with minerals as mineral filled water courses through the system constantly, especially if the system is not cleaned or maintained for a long time. The clogging can restrict water flow, resulting in diminished water pressure. Calcium and magnesium accumulate in the resin bed, and over time, they can cause the resin beads to stick together, clogging the system.

Water Softening System Is Too Small

If a household's water softener is too small to keep up with your family's water usage, it can cause chronically low pressure. A water softener is responsible for removing the hard minerals that cause limescale buildup, which can damage plumbing, fixtures, and appliances. However, when the water softener is undersized, it can lead to an insufficient supply of softened water and lower pressure in the water supply lines.

This can cause shower heads and faucets to trickle instead of providing a steady stream, making it difficult to complete daily tasks like washing dishes or taking a shower. Additionally, low water pressure indicates that the water softener may not be capable of doing its job effectively, which means that it may not remove as much hard mineral content from the water as it should.

Water Pressure Is Low During the Regeneration Cycle

Another issue with water softeners is the regeneration cycle, which can also affect water pressure. During the regeneration cycle, the water softener backwashes to remove the hard minerals that have been collected. If the regeneration cycle takes too long, it can cause a water pressure drop. This is because the backwashing process takes up water pressure.

Clogged Sediment Filter

It's important to be mindful of the sediment filter in your water filtration system, as it can have a significant impact on your water softener causing low water pressure. Sediment filters are designed to catch any dirt or debris that may be present in your water, preventing it from entering your home's plumbing system. However, dirt and other particles can build up over time and eventually clog the filter, leading to lower water pressure.

How to Fix Low Water Pressure Due to Water Softeners?

If you suspect that your low water pressure is related to your water softener, there are some steps that you can take to try and fix the issue.

Firstly, ensure that you perform periodic maintenance and clean the system regularly. The process of cleaning the water softener will depend on the type of system that you have = check your water softener manual for instructions. In general, the system should be disassembled, and the resin bed should be free of any clogging or hardness. If the issue persists, you may need to replace the resin bed or the entire system.

It's important to monitor your sediment filter regularly. If you notice that your water pressure is decreasing, it may be time to change the filter. Doing so can not only improve your water pressure but also reduce the risk of clogs and other plumbing issues. By taking care of your sediment filter, you're ensuring that your home's water supply is clean, reliable, and efficient.

Secondly, ensure that the regeneration cycle is set up correctly. Regeneration cycles should be set to take place at times when water usage is lower, such as early morning or late at night. This will ensure that the backwashing process does not affect your water pressure. It is essential to keep in mind that the regeneration cycle frequency will depend on water hardness and usage.

Professional Water Softener System Services

At Mr. Plumber, we understand how crucial it is to have good water pressure in your home for basic tasks like showering, washing dishes, and doing laundry. Therefore, we offer reliable and prompt repair, maintenance, and installation services on your water softener to ensure that it doesn't cause any low water pressure issues.

If you're experiencing low water pressure due to your water softener, don't hesitate to reach out to Mr. Plumber. Our expert plumbers are just a phone call away to provide reliable repair services or recommend and install a new water softener to improve your home's water pressure. Contact us today to schedule an appointment!


Our skilled plumbers have extensive experience in repairing various brands and models of water softeners. Our plumbing repair experts use advanced tools and techniques to diagnose the problem and fix it promptly. We also take pride in delivering excellent service at affordable prices, ensuring that you get the best value for your money.


In cases where the damage is severe, we may recommend replacing your water softener instead of repairing it. Our team will assess the situation, offer you options, and provide recommendations customized to your specific needs and budget.

Consider upgrading to a high-efficiency water softener. A high-efficiency water softener is designed to regenerate with less water, salt, and electricity, resulting in less impact on your water pressure. Additionally, a high-efficiency water softener uses less salt and eliminates the need for frequent maintenance.

We offer a wide range of water softeners at competitive prices. We work with top brands that deliver the best quality and long-lasting solutions to keep your home's water flowing smoothly. Our team will help you choose the ideal water softener for your home's needs and install it quickly and efficiently.


Water softener maintenance is an important service that Mr. Plumber provides to our customers. Mr. Plumber's professional team of skilled technicians are well-versed in water softener maintenance and will ensure that your system is functioning optimally. Regular maintenance of your water softener can also extend the lifespan of your unit.

Mr. Plumber recommends scheduling a maintenance service at least once a year to avoid costly repairs and replacements down the line. Trust Mr. Plumber to take care of your water softener needs and experience the difference in water quality and appliance functionality.

Get Help With Your Water Softener System

A water softener can cause low water pressure if it is not maintained or cleaned regularly, resulting in clogs that restrict water flow. Regeneration cycles can also contribute to low water pressure if they take too long or happen when water usage is high. Luckily, there are steps that you can take to fix low water pressure related to water softeners, such as cleaning and maintaining the system, ensuring the regeneration cycle is set up correctly, and upgrading to a high-efficiency water softener.

At Mr. Plumber, we believe that every homeowner should have access to clean and soft water without sacrificing water pressure. If you are experiencing low water pressure due to a malfunctioning water softener, don't hesitate to contact our team and schedule a repair visit. We have the necessary expertise and tools to diagnose and fix the problem promptly and efficiently.

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