The best water filters for any situation

Remove impurities and contaminants.
By Team Commerce  on 
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Overview

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Best For Monitoring

ZeroWater Filter Jug

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Best For Portability

LifeStraw Water Filter Bottle

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Best For Everyday Use

Brita On Tap Filter System

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Best For Under Sink

iSpring Filtration System

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See 3 More

This content originally appeared on Mashable for a US audience and has been adapted for the UK audience.

If you're trying to eliminate single-use plastic from your day-to-day life, but chlorine-heavy tap water just isn’t to your H2O tastes, fear not. There is a solution. What you need is a good quality water filter. It's one of the new kitchen essentials.

Water filters and purifiers remove contaminants and impurities to make water more suitable for drinking. This allows you to utilise a reusable water bottle (thereby saving on landfill) and have clean water that you actually feel good about drinking.

But what sort of water filter do you need? That depends on your lifestyle and water drinking habits. Here's some basic advice to help quench your thirst for a filter.

Should you filter tap water?

If you experience a chlorine odour or taste, you might want to run your water through a filter. If you live in an area with threatened or compromised water supplies, absolutely yes you should filter your tap water — you do not want to be drinking lead or mercury or bacteria. If you're unsure or nervous about your water quality, test it.

What type of water filter is best?

There are a few different types of water filters. They each have different purposes.

  • Water filter jugs and dispensers — These types of filters are easily stored in the fridge or on the kitchen counter. They're best for people who don't need loads of filtered water at once. They usually don't purify water, so they're also best for city water that doesn't have viruses or bacteria in it.

  • Tap mounts — A tap water filter allows you to dispense filtered water directly from your sink to your glass. They attach onto your tap and typically last longer than other options, filtering out more impurities than jugs do. They tend to look a bit bulky, but on the other hand, they don't take up any space in the fridge.

  • Under sink filtration systems — Under-the-sink water filtration systems are a bit more heavy duty and are typically for water that needs quite a bit of help. For instance, if you have well water, one of these systems can make it drinkable and get rid of its rotten egg smell and slightly brown colour. Complete filtration systems will do the best overall job cleaning and purifying water.

Keep these water filter categories in mind when beginning your purchase process.

Do water filters really work?

Yes. Before you buy a filter, look at your water. What contaminants are in it? If it's standard stuff like chlorine, mercury, and pesticides, you can get away with a basic jug filter. If you've got more extreme stuff, like lead and bacteria, a tap attachment might be best. The best way to tell if a filter is making a difference is to measure the levels in your unfiltered tap water versus the levels in water from your filter.

How do you test your water?

You can actually test your water in a couple of different ways. Testing for pH levels is one route, and you'll want to make sure your water is about a seven to 10. Another test is for measuring total dissolved solids (TDS) or salt, metal, or minerals in the water. These are your leads and chlorines and other similar contaminants.

TDS is measured in milligrams per unit volume or also referred to as parts per million (ppm). Ideal drinking water is 0 to 50 ppm, acceptable levels range from 50 to 140 ppm, and average tap water falls between 140 and 400 ppm. Essentially, the higher the number, the more metals and minerals you have in your water.

What is the best water filter?

After doing thee research and reading a lot of reviews, we've come up with some top picks for the best water filters. There should be something for everyone and every situation in this list. You just need to pick a favourite.

These are the best water filters in 2024.

Brita is one of the best-known brands of water filter jugs. The Brita Marella Fridge Water Filter is its basic, flagship model and gives you exactly what you want at this price: clean, filtered, healthy water that’s always to hand.

It works with MAXTRA+ MicroFlow Technology, which uses Micro Carbon Pearls to reduce chlorine and other impurities — such as lead and copper — while improving the taste. It also prevents limescale build up.

The jug itself has a total capacity of 2.4 litres, or a capacity of 1.4 litres with the filtration system in place. A slim design helps fit easily into your fridge door. It also comes with an included MAXTRA filter, which works for an impressive 100 litres of water — the equivalent of 200 plastic bottles. 

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For busy family households, a simple jug just isn’t enough. If you’ve got a brood of active, thirsty kids, the Waterdrop Slim Water Filter Tank is a great option. As the name suggests, it fits easily on the kitchen counter — or in the fridge if yours is big enough — giving everyone access to filtered water as and when they need it. And with a capacity of 5 litres, you’ll get around 18 cups of water from this tank — more than enough on hot, hectic days.

Pour the water into top filter compartment and it flows down into the tank. It flows at the four times the speed of competing models, so you always have filtered water available. The filter uses a five-stage filtration and last for 60 days — that’s the equivalent of almost 760 litres worth of filtered water.

While it tackles the taste and odour of chlorine — as well as magnesium, copper, mercury, and more — it doesn’t reduce TDS. If that’s an issue with your water supply, you may want to look elsewhere.

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This Invigorated Water Replenish Pitcher is a touch of class — not to mention a touch of glass, which makes this a higher quality option than the standard plastic filters jugs. It's also a step towards totally eliminating plastic from your life. 

And this pitcher does more than filter your water — it actively purifies it too. It does this with a 'pH on the go' alkaline water filter, which sits in the centre of the pitcher. The filter is packed with little balls of goodness, all of which increase the pH level and add minerals — such as zinc, magnesium, selenium, and iron — while removing any unwanted nasties at the same time. 

As a bonus, the Replenish Pitcher is stylish — more aesthetically pleasing than most countertop filter systems. It’s sure to suit any modern kitchen.

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For a water jug with a few more bells and whistles, check out the ZeroWater Filter Jug. It comes with a meter for testing water quality, along with a spigot at the base for easier water dispensing. 

The ZeroWater filter utilises a five-step system to remove solid and chemical impurities, including rust and lead. One downside is that its filtration cartridge does not last as long as the Brita equivalent, with a typical range of 100 to 150 litres — or roughly one to two months’ worth. This can vary and depends on your initial water quality. 

But where the ZeroWater filter falls short in lifespan, it makes up for in performance, removing more impurities than Brita’s everyday filter pitcher. It’s pretty much the same size as the Brita jug too, which will give you around ten cupfuls.

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If you're someone who’s always on the go, you generally don't have access to the home water filter. In that case, we suggest taking one wherever you go. Take the LifeStraw water bottle, for instance, another top recommendation.

A filter is attached to the straw, so your water goes through filtration before it hits your mouth. It's made for travelling, hiking, and outdoorsy adventures. The bottle allows you to scoop water straight from any lake, pond, stream, or puddle. The LifeStraw ensures the water is perfectly safe to drink by filtering 99.99% of waterborne bacteria and waterborne parasites.

LifeStraw's filter also tackles microplastics, as well as chemicals such as chlorine, pesticides, and herbicides. The bottle holds 0.65 litres — obviously smaller than home filters — but includes a carabiner for convenient carrying.  

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The Brita On Tap Filter System is an upgraded version of a tried-and-tested model. And don’t worry about it not fitting on your kitchen taps. It comes complete with five different adapters, so it should fit easily over most taps — whatever the size and design you have at home.

You can rest easy about the filter lifespan, too. There’s a built-in LCD display that keeps you up to date. It tells you exactly how many more litres you can run before the filter needs replacing. And it lasts for a seriously competitive 600 litres – that's six times the amount you’ll get with a standard Brita filter jug.

This filter system will also spruce up your water delivery. It has three water delivery options — filtered, continuous unfiltered, and a hand shower. Though you might find the flow isn’t as strong as your regular tap action.

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The Big Berkey Water Filter allows you to keep plenty of filtered water on hand. Due to its size, this is a true countertop water filter (unless you have a massive refrigerator that will squeeze it in). It’s especially great for large families or parties. If you have a decent-sized car you can take it camping, too.

In fact, it’s made for the outdoors. In addition to tap water, the filter will handle water from wells, rivers, and lakes. This is more than just a filtration system though — it purifies the water too, removing viruses, pathogenic bacteria, cysts and parasites, and unwanted chemicals and metals.

With two purification elements included, the Berkey can filter 23,000 litres before you have to buy new filters. The dispenser itself is long-lasting, with a robust stainless steel construction that can handle partying or trips away.

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If you're serious about water filtration, an under-sink system might be best for you, and this reverse osmosis system from iSpring is highly rated and praised by Amazon customers. This filter is suitable for both city and well water and removes more than 1,000 contaminants. It's a long-term option.

Users recommend switching out the filter every four to six months, which is a much longer filter life than you'd get with a pitcher or tap attachment.

As this is a whole system, it does require some installation. In order to install a reverse osmosis system, you will either have to drill a hole or use an existing one to place the system. There are other bonuses, such as the fact it connects to your fridge, so you can have ice cold, filtered water.

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Topics Kitchen

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Joseph Green
Global Shopping Editor

Joseph Green is the Global Shopping Editor for Mashable. He covers VPNs, headphones, fitness gear, dating sites, streaming services, and shopping events like Black Friday and Prime Day.

Joseph is also Executive Editor of Mashable's sister site, AskMen.

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Miller Kern
Deputy Editor, Shopping and Reviews

Based in New York City, Miller Kern is the Deputy Editor, Shopping and Reviews at Mashable, where she writes and edits reviews, roundups, and deals about tech products including headphones, skincare devices, laptops, sex toys, e-readers, robot vacuums, and more. She has five years of experience writing buying guides, gift guides, and deals, and covering shopping holidays like Prime Day and Black Friday. Miller can tell you which products are actually worth your money. She also explores trends in the shopping sphere, such as dupes and viral TikTok moments.


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