What happens if you haven't changed fridge filter in years?

Author: Hildegard Lynch  |  Last update: Saturday, August 23, 2025

Build-up of Bacteria and Contaminants Over time, water filters can become saturated with contaminants like chlorine, lead, and sediment. Additionally, if a filter is not replaced regularly, bacteria and mold may start to grow inside the cartridge.

What happens if you never change your fridge water filter?

An unchanged filter could hold nasty toxins that can alter the taste of your water and cause damage to the refrigerator unit, your health and wellbeing.

What happens if the refrigerator air filter is not changed?

Without a functioning air filter, your refrigerator can become a breeding ground for harmful microorganisms that can contaminate your food and cause health issues.

Is it safe to drink water from the fridge with an old filter?

As the filter is used over time, these contaminants will clog the filter, and the water will move through the filter less efficiently and fewer contaminants will be removed. Bacteria will also colonize the filter and may result in illness. Probably best to replace the filter so as not to worry about it.

Do unused fridge filters expire?

There is no set shelf life for water filters, as long as they're not exposed to any moisture. That's the key — moisture is what makes water filters work, and without that, they're sitting pretty and ready for use at any time.

When was the last time you changed your Refrigerator Water Filter?

Can a water filter last 5 years?

Most household drinking water filters last between 6 to 12 months and need to be changed to maintain effectiveness. However, some filters like those in pitchers have shorter lifespans and may need to be replaced every 1 to 2 months. On the other hand, some whole house water filters can last between 5 to 10 years.

What happens if you use an expired filter?

An expired water filter may no longer effectively remove contaminants, compromising the quality and safety of your drinking water.

Is it really necessary to change your refrigerator water filter every 6 months?

It doesn't seem to cause any issues. It may surprise you, but the answer is yes, if the refrigerator or any appliance has a filter, it needs to be replaced according to the manufacturer's specifications.

How does a refrigerator know when to change the filter?

Based on the model and make, there is a timing chip which automatically flashes a light after 6 months average use. When you replace the filter, you have to reset the light which resets the clock chip and the cycle starts over.

What happens when you drink water from a bad filter?

Contaminants Build Up, Hampering Filter Effectiveness

If consumers continue to drink the water directly at this point, they may unknowingly ingest harmful impurities that can negatively impact their health.

How do you know if your refrigerator filter is bad?

Weird Taste or Smell: Notice your water or ice doesn't taste as fresh or has a funky smell? That's a clear sign the filter's no longer doing its job. Slower Water Flow: If your water is taking longer to dispense than usual or the ice maker isn't keeping up, it's likely your filter is clogging.

Do you really need to replace refrigerator air filter?

In general, you should change the air filter every six months (in most models, the filter status light on your display will prompt you to replace the filter). Replacing the air filter will ensure optimal filtering of refrigerator odors.

What is the best fridge deodorizer?

The Best: Remodeez Aqua Refrigerator Deodorizer

This means that a single Remodeez will last much longer than anything full of baking soda (though the baking soda models can be refilled). Basically, you only need to replace it every six months—which is about five months and 27 days longer than your oldest leftovers.

Can not changing your refrigerator water filter make you sick?

Consume Harmful Bacteria

If you neglect to change your refrigerator's water filter, it will become clogged with these substances and fail to do its job, causing these harmful microbes to get into your water. From E. coli to fecal coliform, your health can be impacted.

What happens when a water filter gets old?

Reduced Efficiency: As filters get clogged with contaminants, their efficiency in removing impurities decreases. This means you might be drinking water that's no cleaner than the normal tap water or in some cases, even worse.

Will my fridge work without a water filter?

With the filter removed, the water system will continue to operate, bypassing the filter, and the clogged filter will not cause slow water dispensing or low ice production. However, you will need to install a new filter to have filtered water. REMINDER: Make sure you flush the system after replacing your water filter.

What happens if I don't change the water filter in my refrigerator?

As your water filter begins to wear out, it will become less effective at filtering out the various chemicals, minerals, and microbes that may be present in the water supply. This may soon become apparent to you in the form of changes in the taste and odor of the water coming from your refrigerator.

Do I need to dump ice after changing the water filter?

Discard the ice cubes produced during the first 24 hours. If your appliance has a water dispenser, dispense water for 5 minutes and then discard.

Do refrigerator water filters go bad?

Refrigerator water filters are one of the best, most cost-effective ways to ensure your family is drinking clean, fresh-tasting water, but they need to be changed every six months. After six months, three things can start happening: Your filter becomes easily susceptible to becoming saturated with contaminants.

How long can you go without changing your water filter?

Filters in residential settings should be changed every 6 to 12 months. Reverse osmosis, membranes, and additional alkalisers only need to be changed ever 2 years or 4 years, respectively.

Does a water filter affect an ice maker?

As time passes, minerals and particles accumulate and eventually plug up the water filter. Without proper cleaning, a dirty water filter can clog up with so much debris that water can't get through it. When this happens, your machine can freeze up completely, meaning your ice machine won't be able to produce ice.

How does my refrigerator know when to change the filter?

If you have a touchscreen refrigerator with a filter indicator light, simply change the filter when the light flashes. This will keep your ice and water tasting great. Signs it's time for refrigerator water filter replacement include: Water coming from the fridge dispenser tastes or smells bad.

What happens if you drink water from a fridge with an old filter?

A neglected water filter becomes a breeding ground for bacteria, mold, and other harmful microorganisms. These contaminants can cause various health problems, ranging from mild gastroenteritis to severe respiratory infections.

What happens if you don't replace filter?

Unhealthy and Poor Air Quality

Unkempt air filters may negatively affect indoor air quality by spreading pet dander, dust, and other allergens throughout your home. This may lead to irritated eyes, nose, and potentially breathing problems.

What is the lifespan of a filter?

The lifespan of a whole house filter system's components varies. Sediment pre-filters might require replacement every three to six months, while the main filter media, like carbon filters, can last from six months to a year, depending on usage and the level of contaminants. Specialized filters have their own timelines.

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