What are the Dangers of Not Changing Water Filter?

Do you want to know the dangers of not changing water filters? What is the actual period after which a filter needs to be instantly replaced without any delay?

Whether you are using a filter for commercial or residential purposes, a filter always has a specific period after replacing it. Water filters are generally working by capturing specific sizes of contaminants in water. This includes minerals, microorganisms, and much more. All of these captured contaminants will slowly build up inside the water filter to produce unhealthy water.

Not changing the water filter on time will lead to specific health issues and dangers we will discuss below for you. Let’s quickly get into the discussion of what happens if you don’t change your water filter:

List of Dangers of Not Changing Water Filter

A few of the significant dangers which you can face by not changing water filter are discussed below:

Danger no 1: Passing Contaminants

Every filter has a certain lifespan, after which you should change or replace the filter because it starts to process unhealthy water. Expire filter will easily catch the contaminants which can disturb your entire digestive system. You are putting yourself at the risk of waterborne diseases yourself. As a solution, you should be replacing your water filter in time so you can prevent the passing of contaminants.

Danger no 2: Mineral Build-Up

Another significant danger of not changing the water filter in time is the build-up of minerals. As we have already mentioned that all the minerals which are trapped by the water filter remain there. Changing the filter within the recommended lifespan will ensure that no minerals will build up and the water will stay high-quality. The filter can also produce iron which is not healthy for your body in large quantities. The build-up of minerals can even cause severe illnesses or deaths.

Danger no 3: Taste & Odor Changes

As soon as the water filter started to wear out, it became less effective in producing fresh and healthy water. This is just because the contaminants have begun to build themselves inside the water. A few of the most common are microbes, minerals, and chemicals. You can notice this on your own by experiencing the changes in the odor and taste of the water from the fridge.

Danger no 4: Slow Flow

As many minerals and solids accumulate in the filter media, it becomes challenging for the water to stay fresh inside the filter.  Plus, this will also cause the water supply to run slow. If your water filter takes more time to produce water, this is the crucial indicator that you are using a damaged filter.

Danger no 5: Health and Safety Concerns

As the water filter starts to wear out, it’s a clear sign that you are no longer getting adequate protection from the contaminants. This will include specific contaminants, including microbes, heavy metals, and chemicals. Your body is at the risk exposure of to:

  • Arsenic
  • Asbestos
  • Barium
  • Cadmium
  • Lead
  • Cysts
  • Excessive Fluoride

What are Other Useful Water Filter Maintenance Tips?

It is not easy to replace the filters because the sediments can be built on the device’s corners. It might be possible that changing the old filter will not maintain the quality of the filter system you expected.

But still, there are few tips you can follow for the valuable maintenance of the water filter system. Let’s discuss a few below:

  • Vinegar has always remained the housewife classic for the cleanliness of water filters. It is excellent for the hard water sediments deposits as well as goop. You have to take a small bowl of lukewarm water, mix in a few teaspoons of vinegar, and let the mixture get slightly pungent. After 60 minutes of soaking, use a fine, soft brush or a cotton swab to quickly get rid of any lingering impurities.
  • The second trick is the use of mild detergent. This method is recommended if the deposit is resilient to the vinegar mixture and they are not responsive. Rinse off the affected area and then apply a thin coating of a detergent product of your choice.

Frequently Asked Questions-FAQs

1. Can you face health issues by not changing the water filter?

Yes, you will! Not changing the filter for too long will end up consuming harmful bacteria, particles, or chemicals to pass straight into your digestive system. Some filters might get finished with fecal coliform where it can cause some severe damage to your Health.

2. Is it healthy to drink water from an expired filter?

No, it is not! Drinking water from an expired filter is a big mistake. It will bring some serious consequences for you. Putting tap water in your mouth can even damage your teeth. Still, it is essential to change it because, with time, chemicals and bacteria will build up.

3. What happens when you use a water filter too long?

As you notice that your water filter has started to wear out, this is the time when it has become less effective in its filtration process. This is when you will realize that certain chemicals and bacteria have started to build in filters.  Soon you will feel it when the water taste begins to change.

4. How long can a water filter last?

Filters that are used in commercial settings need to be changed after 5-6 months! But in residential settings, the filter should be changed after every 6 to 12 months. Reverse osmosis, or membranes, and some additional alkaliser need to be changed every two years or four years, respectively.


We hope that we have readily explained to you all about the significant dangers of not changing water filters and how you can avoid those dangers with this guide. There is no complexity in changing or replacing the water filter. All you should be careful about is to calculate the total duration when the replacement is needed. Take help from filter technicians and make it do it on an immediate basis.

Hi, I am Alex running a small team of writers in bringing you Water Filter Insight to do complete market research for buying the best water filters. I am very much conscious of finding the right product for your household.

Leave a Comment