How often should I change the water filter in my LG fridge?

Author: Prof. Adolph Boehm DVM  |  Last update: Tuesday, April 28, 2026

LG recommends replacing your fridge water filter every six months. Your LG refrigerator should also flash a warning when it is time to replace your water filter. This light goes on when your filter is almost completely full.

How often should I replace my LG fridge water filter?

The frequency of replacements depends on various factors such as the type of filter, water quality in your area, and usage patterns. However, as a general guideline, most manufacturers including Samsung, Bosch and LG recommend replacing your fridge water filter every six months.

Do I really need to replace my refrigerator water filter every 6 months?

Because they're susceptible to the build up of dirt and debris, old fridge water filters may not be able to prevent contaminants from tainting drinking water as well. To ensure drinkable, fresh tasting water for your family, be sure to change your fridge's water filter every six months.

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 don't change the water filter in the refrigerator?

An unchanged water filter can produce water with a foul odour or a strange taste. A dirty or clogged water filter can also affect the mechanical actions within your refrigerator, such as the Ice dispenser. A refrigerator with a water dispensing function is a significant investment and really should be treated as such.

When to change the water filter in your refrigerator

Can you drink water from the fridge if it says replace the filter?

Ignoring the need for regular refrigerator water filter changes can lead to a host of problems. From a health perspective, an old or clogged filter cannot effectively remove contaminants. This situation means you might drink and cook with unfiltered water, exposing you and your family to potential health risks.

How do I know if my fridge water filter needs to be replaced?

5 Signs You Need to Replace Your Refrigerator's Water Filter
  1. American Appliance Repair makes it easy to get the exact filter you need installed fast. ...
  2. The Indicator Light Is On. ...
  3. It's Been 6 Months. ...
  4. Your Water Dispenser Is Slow. ...
  5. Your Ice is Gross. ...
  6. Your Water Tastes Funny. ...
  7. Where to Buy a Filter.

What is the shelf life of LG water filter?

A: Dear customer, Thank you for your question. The filter can be stored for 2-3 years in a cool and dry environment.

Do refrigerator water filters go bad?

Refrigerator filters should be replaced every 6 months. Never leave a filter in place longer than a year. The longer you use a carbon filter beyond its maximum capacity, the more harmful your water could become.

What happens if you use a water filter too long?

Health Risks: Drinking from an old filter can expose individuals to harmful chemicals and heavy metals that the filter was initially designed to remove.

Do you have to turn off water to change water filter in refrigerator?

Do You Have to Turn the Water Off to Change a Refrigerator Filter? You do not have to shut off the water supply from your refrigerator to change out an old water filter.

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.

Is it okay to use off-brand refrigerator water filters?

Consumer Reports have shown that while some off-brand filters can perform reasonably well, brand name filters consistently outperform their generic counterparts in both filter quality and water purity.

How does an LG fridge know when to change the filter?

Your refrigerator has sensors that detect flow, of both water, and air. So after a set amount of time, and flow has passed, the computer responds to the inputs of the sensors, and makes the decision to turn on the light indication the need to replace the required filter/s.

Can I use my LG refrigerator without the water filter?

Key Takeaways: LG refrigerators can operate without a water filter using a bypass plug. Running without a filter may affect water quality, taste, and odour.

What happens if I don't change my fridge water filter?

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. Invest in a new home water filtration system today.

How often should I change my LG refrigerator water filter?

LG recommends replacing your fridge water filter every six months. Your LG refrigerator should also flash a warning when it is time to replace your water filter. This light goes on when your filter is almost completely full.

How much does it cost to replace a refrigerator water filter?

If you've ever replaced the water filter in your refrigerator, you know they don't come cheap. Some cost as much as $60, which means that if you follow directions and change your filter every six months, that can really add up.

How do I know if my water filter is expired?

Finally, some water filters have an expiry date added as a sticker label. If you've regularly used your water filter and it's now past the expiry date, it's time to order a replacement. Similarly, some water filters also have a visual indicator that will tell you when the cartridge has been fully used up.

How long do refrigerator water filters really last?

How Often To Replace Fridge Water Filter? Experts recommend changing your refrigerator's water filter every 6 months, but keep in mind that this may be different for your particular model of refrigerator.

Do water filters go bad if not used?

In short, no, unused water filters do not 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.

Can I run my fridge water without a filter?

It's possible to use your refrigerator without having a water filter installed. However, you should understand that doing so can put your appliance at risk of damage due to impurities in the water line.

Do I need to unplug fridge before changing water filter?

The steps to replacing a twist-in filter are as follows: Unplug the refrigerator. This may seem like an obvious step, but you should always turn off the power to any electrical appliance before working on it.

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

Health Risks: Drinking from an old filter can expose individuals to harmful chemicals and heavy metals that the filter was initially designed to remove. This can lead to health issues, especially in vulnerable populations like pregnant women, children, and the elderly.

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