Replace your Brita filter every two to six months, depending on how much water you use

The standard recommendation is to replace a Brita pitcher or faucet filter every two months if you use it daily, or every three to six months if you use it less often. The exact timing depends on three things: how many people drink from it, how much water flows through it, and what's in your tap water to begin with. Hard water (water with high mineral content) clogs filters faster than soft water, so your replacement schedule may be shorter than someone else's.

Brita filters are designed to reduce chlorine taste and odor, and to catch some sediment and contaminants. Once a filter reaches its capacity, it stops working effectively—it doesn't suddenly fail, it just stops filtering. That's why Brita includes a filter life indicator on most pitchers: a small dial or electronic counter that tells you when the filter has processed roughly 40 gallons of water (for pitchers) or 100 gallons (for faucet-mounted filters).

Key Takeaways

  • Most Brita pitcher filters last about two months with daily use; faucet filters last about three months.
  • The filter life indicator on your pitcher or faucet is the most reliable way to know when to replace, not the calendar.
  • Hard water, high sediment, or heavy use will shorten filter life—you may need replacements more often than the standard timeline.
  • Once a filter stops working, it does not damage your pitcher or faucet, but it also stops removing chlorine taste and odor.

How the filter life indicator works

Brita pitchers and faucet filters come with a built-in counter that tracks how much water has passed through. On older pitcher models, this is a small dial on the lid that you turn back to the start line after you install a new filter. On newer models and most faucet filters, it's an electronic counter that counts down the days or gallons remaining.

The indicator is set to reset when you insert a new filter. You don't have to guess or remember when you installed it—the device does the tracking for you. When the indicator reaches zero or shows red, that's your signal to replace the filter. This is more accurate than going by calendar dates, because it accounts for how much water you actually used, not how much time passed.

Why water hardness and sediment matter

If your tap water is hard (contains dissolved minerals like calcium and magnesium), your filter will clog faster than the standard two-month estimate. The same is true if your water has visible sediment or cloudiness. You can check your water hardness by looking at your water bill—many utilities list it—or by buying an inexpensive test strip at a hardware store.

If you live in an area with very hard water, you might replace filters every four to six weeks instead of two months. If your water is soft and clean, you might stretch a filter to three months. The filter life indicator accounts for this to some degree, but it's based on average use, so it may run out faster or slower than expected depending on your specific water.

Pitcher filters versus faucet-mounted filters

Brita makes two main types of filters: pitcher filters and faucet-mounted filters. Pitcher filters are the small cartridges you insert into the top of a Brita pitcher. Faucet filters screw directly onto your kitchen tap. The replacement schedules are different because they handle different volumes of water.

A pitcher filter typically lasts two to three months with daily use and covers about 40 gallons. A faucet-mounted filter lasts about three months and covers roughly 100 gallons, because it filters water continuously as you use the tap, rather than only when you pour from a pitcher. Both come with their own life indicators, so you don't have to remember which type you own—just check the device itself.

What happens when a filter reaches the end of its life

When a Brita filter stops working, the water still flows through—nothing breaks or backs up. But the filter no longer removes chlorine taste and odor, and it stops catching sediment and other particles it was designed to reduce. You'll notice the water tastes more like tap water again, or you might see a slight cloudiness if sediment has built up.

A spent filter won't harm your pitcher or faucet. You can keep using it, but you're essentially drinking unfiltered tap water at that point. Most people replace the filter as soon as the indicator signals, but there's no safety risk if you wait a few days or a week—it just stops filtering.

Where to buy replacement filters and how much they cost

Brita replacement filters are sold at most grocery stores, drugstores, and online retailers. You can find them in the water filtration aisle or near the kitchen section. A single pitcher filter costs between $5 and $8, and a faucet filter costs between $25 and $35. Buying in bulk (packs of two, four, or six) usually brings the per-filter cost down by 10 to 20 percent.

Make sure you buy the right filter for your device. Pitcher filters and faucet filters are not interchangeable, and different pitcher models sometimes use different filter sizes. Check your pitcher's manual or the Brita website to confirm which filter model you need before you buy.

Signs you need to replace your filter sooner

Even if your filter life indicator hasn't reached zero, you should replace the filter if the water tastes noticeably like chlorine, if it looks cloudy or discolored, or if the flow rate has slowed to a trickle. A clogged filter will slow down how fast water passes through the pitcher, which is a sign the filter is full of sediment and no longer working well.

If you notice any of these signs before the indicator tells you to replace, go ahead and swap in a new filter. It's better to replace a filter a few weeks early than to drink water that's no longer being filtered. Keep track of when this happens—if it's much sooner than two months, your water may be harder or more sediment-heavy than average, and you should plan for shorter replacement cycles going forward.

Frequently Asked Questions

Can I clean and reuse a Brita filter?

No. Brita filters are not designed to be cleaned and reused. Once the activated carbon inside is saturated, rinsing it does not restore its filtering ability. You must replace it with a new filter. Attempting to clean and reuse a filter will not improve its performance.

What if I don't use my pitcher very often—can I go longer than six months?

Even if you use the pitcher infrequently, replace the filter at least every six months. Activated carbon can degrade over time, and bacteria can grow in a filter that sits unused for long periods. If your pitcher sits unused for weeks at a time, replace the filter every six months regardless of the life indicator.

Does a Brita filter remove bacteria or viruses?

No. Brita filters reduce chlorine taste and odor and catch some sediment, but they do not remove bacteria, viruses, or most chemical contaminants. If you need to remove bacteria or viruses, you need a different type of filter system, such as a reverse osmosis system or a filter certified for pathogen removal. Check your local water quality report to see what's in your tap water.

Is it okay to use tap water in my Brita pitcher if I run out of filters?

Yes, you can pour tap water through an empty pitcher without a filter. It will not damage the pitcher. The water just won't be filtered. If you're waiting for a replacement filter to arrive, you can use the pitcher as a regular water container in the meantime.

How do I reset the filter life indicator on my pitcher?

On dial-style indicators, turn the dial back to the start line after you insert a new filter. On electronic indicators, press and hold the reset button (usually on the lid) for a few seconds after installing the new filter. The manual that came with your pitcher will show you exactly where the reset button is located.