How Long Does A ZeroWater Filter Last?

by Jay | Updated on April 20th, 2023

Hey there, water connoisseurs! Are you on a quest for fresh and clean water that’s free of impurities? If so, you’ve probably considered ZeroWater filters. But you might have some questions like, “How long do they last?” and “Are they worth it?”

Well, you’re in luck! In this comprehensive guide, we’ll answer all your burning questions and help you make the best choice for your hydration needs.

How Long Does A ZeroWater Filter Last
  • What Makes ZeroWater Filters Special?
    • 5-stage filtration process
    • Removes up to 18,000 mg of dissolved solids
    • Targets lead, chlorine, organic compounds, and more
  • The Lifespan of ZeroWater Filters: Advertised vs. Real Life
    • Advertised: Up to 2 months (40 gallons)
    • Actual: Less than 2 weeks to 2-4 months (depends on TDS levels)
  • What’s the Deal with TDS (Total Dissolved Solids)?
    • Measures dissolved minerals and salts in water
    • High TDS levels reduce filter life
    • Check filter monthly in areas with high TDS
  • Replacement Filters: Costs and Alternatives
    • ZeroWater filters: $15 each
    • Alternatives: Brita’s Longlast filter ($17 each, lasts up to 6 months)
    • Consider cost, lifespan, and filtration capabilities

Still with us? Great! Let’s dive into the details:

What’s the Buzz About ZeroWater Filters?

ZeroWater Filters are changing the game when it comes to water filtration at home. These nifty filters use a powerful 5-stage filtration process to remove a wide range of contaminants, including lead, chlorine, organic compounds, and even pesky microorganisms. All thanks to their impressive ability to remove up to 18,000 milligrams of dissolved solids. Say goodbye to impurities and hello to pure, great-tasting water!

The company offers a range of products, from pitchers to countertop systems and replacement filters.

What is the advertised filter service life?

ZeroWater offers a filter system that is advertised to have a filter service life of up to two months. This is based on the average household consuming eight glasses of water per day, approximately 40 gallons. However, this may not be the case for all households. 

Factors such as water usage, water quality, and maintenance all affect the filter’s life. It’s important to remember that the advertised filter service life is only an estimate, and it may be shorter or longer depending on individual usage and maintenance.

Product Dimensions8″D x 9″W x 7.75″H
Item Weight1.3 Pounds
External Testing CertificationNSF
Product BenefitsRemoves Lead, Removes Pollutants
Product Dimensions9 x 8 x 7.75 inches
Item Weight1.3 pounds
ManufacturerZero Technologies, LLC

What is the real life of a ZeroWater filter?

The real-life of a ZeroWater filter is far below the advertised filter service life. On average, it will only last for less than two weeks. To understand the longevity of your filter, you can constantly test the tap water after filtration. It should be noted that ZeroWater makes its money by selling $10 replacement filters with limited life spans. Usually, 30 to 50 gallons before the water impurity level rises again. 

However, depending on how many Total Dissolved Solids are present in the water, a standard Zerowater filter can last up to 2-4 months.

How many gallons of water does a ZeroWater filter last?

A ZeroWater filter can last up to 40 gallons of water, depending on the amount of Total Dissolved Solids (TDS) in the water. The advertised filter service life is much higher than this, but filters usually last for less than two weeks. Zerowater filters can effectively remove contaminants from water with a low TDS level, helping provide clean, safe drinking water. 

However, once the filter has reached its capacity, it will need to be replaced with a new one. There are more cost-effective alternatives to Zerowater filters available on the market, so it’s important to research before making a purchase.

For Your Consideration: A Quick Comparison Table

Let’s take a quick look at how ZeroWater filters compare to Brita’s Longlast filters:

Filter BrandApprox. LifespanCost per FilterRemoves TDSNotable Contaminants Removed
ZeroWater2 weeks to 4 months*$15YesLead, chlorine, organic compounds, microorganisms
Brita LonglastUp to 6 months$17NoLead, mercury, chlorine, cadmium

*Depends on TDS levels in your water.

Factors that affect ZeroWater lifespan

The lifespan of a Zerowater filter can be affected by various factors. Water quality, filter usage, maintenance practices, and storage conditions can all impact the filter’s lifespan.

Water Quality

Water that is high in sediment, minerals, or other contaminants will require more frequent filter replacements. Additionally, water that is not filtered often enough can make the filter clogged up with particles and reduce its effectiveness.

Regularly testing your water supply and keeping an eye out for any changes in quality can help ensure that your Zerowater filter continues to provide clean and safe drinking water for as long as possible.

Filter Usage

Properly using the filter is key to ensuring its longevity. It is important only to use cold water when running it through the filter, as hot water can damage the filter and decrease its lifespan. Additionally, it is important to avoid overusing the filter, as this can reduce its efficacy.

Maintenance Practices

Regular cleaning will help keep your filter functioning optimally and should be done once every two weeks. In addition, only using cold water with the filter will extend its life. When the filter is installed, it should also be given ample space to allow air to circulate.

Finally, replacing the filter after a certain number of liters will ensure you get the most out of your filtration system. With proper maintenance, you can make sure that your ZeroWater filter will last for as long as possible.

Storage Conditions

Storage conditions can have a major impact on the lifespan of your Zerowater filter. It is important to keep your filters in a cool, dry place, away from direct sunlight and moisture. Extreme temperatures, such as freezing or boiling, can also damage the filter, so it is best to avoid storing them in extreme temperatures.

Additionally, keeping the filter away from any damp environment can contribute to extending its life. These steps can help ensure that your Zerowater filter will last as long as possible.

What does a ZeroWater filter remove from water?

ZeroWater filters are designed to remove various contaminants from your drinking water. Using a five-stage filtration process, each filter removes up to 18,000 milligrams of dissolved solids, including lead, chlorine, and other metals. This ensures that you get the purest and most delicious-tasting water. 

Furthermore, the filters can also remove other impurities, such as organic compounds, pesticides, and other microorganisms. By ensuring that your drinking water is free from harmful contaminants, ZeroWater filters can help you enjoy better-tasting water while also keeping your family safe.

How much does a ZeroWater replacement filter cost?

ZeroWater replacement filters are reasonably priced and can be found for around $15 each. This means that the cost of a ZeroWater filter is typically less than $1 a week.

It is important to remember that a ZeroWater filter costs much less than buying bottled water, which can easily add up over time. Furthermore, Zerowater filters are an eco-friendly solution that helps reduce plastic waste.

Are there more cost-effective alternatives to ZeroWater Filters?

When finding a more cost-effective alternative to ZeroWater filters, Brita and PUR filters are worth considering. Though they may be a bit more expensive than the ZeroWater filter, they last much longer. For example, Brita’s Longlast filter lasts up to six months, compared to just a few weeks with ZeroWater. 

Furthermore, purchasing replacement filters is much less expensive, as Brita’s Longlast filter costs $17 a pop compared to the $15 per filter with ZeroWater if you’re looking for a long-term solution.

When is it time to replace the ZeroWater filter?

It is important to monitor your ZeroWater filter and replace it when necessary. How often you need to replace the filter depends on the quality of the tap water source, the amount of usage, and how well you maintain the filter.

Generally, it is recommended that you replace your filter every 2-4 months or after 40 gallons of use. You will know when it is time to replace the filter when the filtered water has a different taste or odor, contains visible particles, or has a lower TDS level than before.

Additionally, if you notice that the filter is not functioning as well as it should be, it is probably time for a replacement. Properly disposing of an old filter is important for safety and environmental reasons. Make sure to handle used filters carefully and dispose of them following local regulations.

How to properly dispose of a used Zerowater filter

Proper disposal of a used ZeroWater filter is important for environmental reasons. ZeroWater does offer a recycling program, and you can use this form.

How to increase Zerowater filter lifespan

To ensure that your Zerowater filter lasts as long as possible, there are a few steps you can take.

Regularly clean the filter

You should clean the filter at least every two weeks to ensure it is operating at the highest efficiency level. Removing any buildup that may be clogging the filter can help ensure that it lasts for the full 2-4 months.

Additionally, it’s important to remember that your filter should never be put in the dishwasher, which could damage its components and reduce its lifespan. Properly cleaning and caring for your filter will help ensure that you get the most out of your purchase.

Replace the filter after a certain number of liters

This number can vary depending on the quality of tap water and the amount of usage. To increase the lifespan of your filter, it is important to keep an eye on the total dissolved solids (TDS) levels in your tap water and regularly clean and maintain it according to manufacturer instructions.

Use only cold water with the filter

Using cold water is essential to ensure the longevity of your ZeroWater filter. Cold water has fewer contaminants than hot or warm water, which can cause the filter to become impure faster.

Additionally, cold water flows more efficiently through the filter, allowing for better filtration. When using your ZeroWater filter, only use cold water for optimal results. This can help you get the most out of your filter and increase its lifespan substantially.

Final Thoughts

In the end, it’s all about finding the right water filter that meets your needs and preferences. ZeroWater filters offer comprehensive filtration with the ability to remove a wide range of contaminants. Just remember to keep an eye on the filter’s lifespan, especially if you live in an area with high TDS levels. Whether you choose ZeroWater or an alternative brand, you’ll be one step closer to enjoying fresh, clean, and refreshing water every day!


Jay is a health and wellness enthusiast with expertise in water quality and nutrition. As a knowledgeable advocate for holistic well-being, Jay successfully manages Type 2 Diabetes through informed lifestyle choices. Committed to sharing reliable and authoritative insights, Jay combines firsthand experience with a passion for enhancing health."