Best Filtered Water Bottles and Purifiers for 2020 (November Update)


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Best Filtered Water Bottles and Purifiers for 2020 (November Update)

Budget
Blade&Stone Water Filter Bottle with Free Squeeze Travel Filter Bag for Camping - Replaceable Filter Straw Removes 99.99% of Bacteria & Waterborne...
Value-for Money
STERIPEN Water Purifier's Adventurer Opti UV
The Best
LIFESAVER® bottle 4000UF
Blade&Stone Water Filter Bottle with Free Squeeze Travel Filter Bag for Camping - Replaceable Filter Straw Removes 99.99% of Bacteria & Waterborne...
STERIPEN Water Purifier's Adventurer Opti UV
LIFESAVER® bottle 4000UF
Bottle capacity
650ml
N/A
750ml
Filter life
1500 litres
8000 treatments
4000 litres
Purifies
£27.90
£73.96
£119.95
Budget
Blade&Stone Water Filter Bottle with Free Squeeze Travel Filter Bag for Camping - Replaceable Filter Straw Removes 99.99% of Bacteria & Waterborne...
Blade&Stone Water Filter Bottle with Free Squeeze Travel Filter Bag for Camping - Replaceable Filter Straw Removes 99.99% of Bacteria & Waterborne...
Bottle capacity
650ml
Filter life
1500 litres
Purifies
£27.90
Value-for Money
STERIPEN Water Purifier's Adventurer Opti UV
STERIPEN Water Purifier's Adventurer Opti UV
Bottle capacity
N/A
Filter life
8000 treatments
Purifies
£73.96
The Best
LIFESAVER® bottle 4000UF
LIFESAVER® bottle 4000UF
Bottle capacity
750ml
Filter life
4000 litres
Purifies
£119.95

If you’re looking to keep yourself or the planet healthy, a reusable and purifying water bottle will be your new best friend.

Whether you’re hiking in the outback or backpacking through a developing country, you can’t always trust the water sources around you.

Streams and lakes often have high levels of bacteria in despite running clear. You might be used to buying a plastic bottle from the shop and not giving it any thought but it is forecasted that in 2021, 583 billion plastic bottles will be produced – most of which end up in landfill or the ocean.

Now’s the time to get on board with a bottle that you can fill up anywhere and drink easy knowing what’s inside is clean.

Below we take a look at some of the best options on the market right now. Regardless of whether you’re trekking camping or backpacking the world, it needs to be appropriate for travel – light, robust, reliable and affordable.

If you want more information about types of bottle and reasons to buy them, scroll down a little further to our buying guide.

Let’s take a look at some of the best camping chairs on the market right now.

Top 3 Best-Sellers

Bestseller No. 1
BRITA Water Filter bottle, reduces chlorine and organic impurities, BPA free, Pink, 600ml
4,536 Reviews
BRITA Water Filter bottle, reduces chlorine and organic impurities, BPA free, Pink, 600ml
  • Filters tap water as you drink, reducing chlorine,...
  • Improved performance 'PureTaste Technology' -fill up from...
  • Each disc gives 60 litres of great tasting water for just...
  • Eco friendly and cost-efficient alternative to buying...
  • Practical and durable 600ml bottle fits most cup holders
Bestseller No. 2
BRITA Water Filter bottle Active, reduces chlorine and organic impurities, BPA free, Blue, 600ml
1,904 Reviews
BRITA Water Filter bottle Active, reduces chlorine and organic impurities, BPA free, Blue, 600ml
  • Filters tap water as you drink, reducing chlorine,...
  • Improved performance 'PureTaste Technology' -fill up from...
  • Each disc gives 60 litres of great tasting water for just...
  • Eco friendly and cost-efficient alternative to buying...
  • Squeezable and durable 600ml bottle fits most cup holders
Bestseller No. 3
mountop Portable Water Filter Bottle - Emergency Water Filtered Bottle with 2-Stage Integrated Filter Straw for Hiking Backpacking and Travel BPA Free...
95 Reviews
mountop Portable Water Filter Bottle - Emergency Water Filtered Bottle with 2-Stage Integrated Filter Straw for Hiking Backpacking and Travel BPA Free...
  • 2-Stage Integrated Filter Straw –Stage 1: The activated...
  • Lightweight and Portable –The mountop water filter bottle...
  • Ultimate Travel Companion - Clean water wherever you travel....
  • 2 Straws and 1 Carabiner – The mountop filtered water...
  • Safe Material - Leak-proof bottle made of BPA-free Tritan;...

1. Blade&Stone Water Filter Bottle

Key features:

View on Amazon

  • Bottle capacity: 650ml
  • Filter life: 1500 litres
  • Purifies: Yes
  • Filters: Yes

Whether you are hiking in the wilderness or taking a holiday somewhere that tap water may not be safe, this is the best entry-level water bottle. Unscrew the cap, fill up directly from the tap, stream or lake and start drinking from the straw,

Activated carbon at the bottom of the straw and the hollow fibre membranes at the top work together to remove bacteria, filter out particles and purify the water.

The two-stage filter removes even the smallest micro-plastics and 99.99% of harmful pathogens whilst also reducing chlorine for improved taste.

Given the price, the quality of this Blade&Stone bottle is excellent, and once you take the filter straw out you can chuck it straight in the dishwasher.

Something we liked was that it can be quickly converted into a sports bottle – just replace the filter straw with their standard drinking straw that comes in the box. This means that you can use it as a travel bottle or for everyday life.

The bottle also has a squeezable water bag that can be connected to the filter if you want to fill other water or food containers, which is useful in any circumstances where you need to up the flow rate.

The flip top cap adds an extra level of hygiene when you’re on the move and the two metal clips and hidden compass were a bonus.

As with all bottles, survival straws become harder to suck water through as they approach the end of their life, so you’ll know when it is about due for replacement.

The only downside is that they currently don’t sell replacement filters so you need to buy a whole new bottle once this one has seen out its shelf life.

Pros
  • Good price
  • Comes with squeezable water bag
  • Bonus straw
Cons
  • Replacement filters not available
  • Limited lifespan

2. WaterWell Travel Ultra 2 Stage Filter Water Bottle

Key features:

View on Amazon

  • Bottle capacity: 700ml
  • Filter life: 1000 litres
  • Purifies: Yes
  • Filters: Yes

WaterWell have updated the previous model with improvements sought out by users.

These include a stronger plastic lever, faster filter flow rate and reinforced Tritan plastic body, and we were suitably impressed!

The two-stage filter system eliminates 99.9% of bacteria, protozoan parasites and micro-plastics from any fresh non-salt water source, including taps, lakes and streams. However, it does not filter salts/sea water, minerals, viruses or heavy metals.

The filter inside the bottle can filter up to 1000 litres of water in its lifetime – saving up to 2000 disposable plastic bottles.

Not only was it truly leak-proof, it one-upped the Blade&Stone bottle thanks to its mouth piece.

WaterWell’s filter bottles have the fastest flow rates on the market (for now at least) and removing the bite valve gives you the option to sip without needing to tip the bottle at all, perfect for when you are on the go.

A dust cap keeps the mouth piece covered and it can be sanitised in the dishwasher or a sink of boiling water when you’re abroad.

The best thing was the auto shut down feature – found usually only in the more expensive bottles. This mechanism cuts off water flow when it’s time to replace the filter, so you’re never at risk of drinking contaminated water.

Also in the box are a standard drinking straw, a carabiner (with 15 kilogram strength capacity) and a back flush device.

The bottle’s filter can be cleaned and the life extended by using this to push clean water in reverse flow and shaken sharply to dislodge any particles.

Pros
  • Good flow rate
  • Leak proof
  • Auto shut down
Cons
  • Doesn’t filter metals, minerals or viruses

3. Drinksafe-systems Travel Tap with Flip Spout

Key features:

View on Amazon

  • Bottle capacity: 800ml
  • Filter life: 1600 litres
  • Purifies: Yes
  • Filters: Yes

Drinksafe is a reputable brand with a range of UK-made bottles, but regularly coming in as the people’s choice is their Travel Tap edition.

On top of Drinksafe’s standard (and impressive) features, the Travel Tap can expel water by gently squeezing the bottle.

This means that it can be used for safely rinsing your toothbrush, washing fruit and irrigating wounds.

With an 800ml capacity and purification life of 1600 litres before the auto-shutdown mechanism kicks in, you’re looking at two years of daily use – based on two litres a day.

The filter cartridge is removable and replaceable, so you don’t have to buy a whole new bottle when the time comes.

The filter technology was devised and tested by the UK Environment Agency (NLS) for removal of waterborne pathogens including some viruses and anthrax, cryptosporidium, E-Coli and others.

Unlike the bottles above, the Travel Tap has also been tested for removal of lead, mercury, copper, aluminium and chromium, as well as other metals and chemical compounds that might be found in treated and untreated groundwater.

If you weren’t already convinced, these are the bottles used by the American Red Cross in the field.

When using, just be sure to check the filter is securely tightened every so often because they can become loose if not screwed on correctly, which could lead to unfiltered water entering the drinking vessel.

Water flow is around 300mls per minute – not the worst in our lineup, but relatively slow, particularly if you’re feeling hot and thirsty.

A standard straw, carrying lanyard and insulation sleeve are also included in the package.

Pros
  • Durable
  • Squeezable
  • Filters metals and chemicals
Cons
  • Poor flow rate

4. LifeStraw Go 2-Stage Water Filter Bottle

View on Amazon

Key features:

  • Bottle capacity: 650ml
  • Filter life: 4000 litres
  • Purifies: Yes
  • Filters: Yes

This bottle is a little more durable than those above and has a replaceable filter. However, you won’t need to stock up too often as a 4,000-litre lifespan will see you right for up to five years.

The magic straw within protects users against bacteria, parasites, microplastics, chlorine and organic chemical matter such as pesticides, herbicides and vastly improves water taste.

Keep in mind that two-part filter systems usually need replacing at different times. The LifeStraw filter will clean a minimum of 4000 litres of water and the carbon capsule 100 litres of water.

However, the water is still safe to drink after the carbon capsule stops working, as it only removes bad odor and taste.

Water flows easily, with hardly any more effort than a normal drinking bottle – for at least the first six months of use.

However, buyers should note that the mouthpiece first comes with a clear hygiene plastic sleeve over the silicone that must be removed – accidentally leaving it on will decrease water flow by about 90%.

Another plus for anyone with a global conscience is that for each LifeStraw product purchased, a school child in a developing community receives clean drinking water for one school year.

The main flaw in our opinion was that it’s easy to think you’ve fully closed the mouthpiece when it’s still partially up.

This will lead to a wet bag and belongings, so it’s worth taking an extra moment to fully push down.

Pros
  • Long lifespan of filters
Cons
  • Mouthpiece doesn’t close smoothly – accidental leaks possible

5. CrazyCap UV Water Bottle Purifier

View on Amazon

Key features:

  • Bottle capacity: 550ml
  • Filter life: N/A – battery rechargeable
  • Purifies: Yes
  • Filters: No

This stylish and effective water purifying bottle is definitely one of the best looking options on the market.

The CrazyCap uses a relatively new UV light water purifying system that purifies water from natural sources, taps and public fountains.

The UV-power is fast working and chemical free, doing a great job of killing bacteria, cysts, and viruses in clear water but it doesn’t act as a filter – leaving you vulnerable to cloudy or dirty water, heavy metals and other physical contaminants.

A bonus is that it fastens directly into most standard cola top bottles, meaning that you can use it on your other reusable bottles too.

The BPA-free, 304 stainless steel bottle is far more durable than some of its plastic counterparts and the vacuum double-walled construction keeps drinks cold for up to 24 hours or hot for up to eight hours.

This gives it the edge if you’re looking for something to use on camping trips or cold expeditions.

The filtration system is contained inside a leakproof twist-on bottle cap that keeps going and going. Simply tap to activate one of two modes.

Two taps starts the standard one-minute purification process, whilst five taps enables the “crazy” mode, an extra-strength two-minute purification that eliminates 99.999% of bacteria including E. coli and salmonella.

The cap also automatically activates for 20 seconds every four hours. This means that your water and the bottle itself remain clean, fresh and odourless with no soap or scrubbing needed.

What blew our mind is that the cap can be used to sterilise a surface or small items, including toothbrushes whilst on the go, or keyboards and other household products.

Once it runs out, just slip the charger over the top of the cap and power up using a USB cable plugged into a power bank, a computer or the mains.

Reported to last half a million cycles, the CrazyCap is an amazing piece of kit as long as you only need your water purified and not filtered.

Pros
  • Kills viruses
  • Can be used with any bottle and on other surfaces
Cons
  • No filtering means bad taste

6. Grayl Ultralight Compact Water Purifier

View on Amazon

Key features:

  • Bottle capacity: 475ml
  • Filter life: 150 litres
  • Purifies: Yes
  • Filters: Yes

The Grayl Ultralight purifying bottle brings something a little different to the table in terms of its inner workings.

Rather than using a filtering straw, the purifier works just like a coffee press. You fill the bottom part up with water, screw on the lid and then press down.

The end product takes just 30 seconds and is both clean and clear.

Simple but effective, Grayl guarantees its bottles will remove 99.9999% of viruses and 99.9999% of disease-causing bacteria. Essentially you’re totally safe.

As such, you can rely on the Ultralight Compact to remove dangerous pathogens – bacteria, protozoa and viruses – plus many particulates of sand/soil, heavy metals (including lead and chromium) and chemicals (such as chlorine or iodine).

The only thing it does not remove is minerals, like calcium, which are not considered a health risk.

However, it holds the least water of all the bottles on our list and only treats 150 litres of water before needing a new filter.

For anyone heading out on a trip that will last over a month, we would recommend taking spare filters with you.

If you want something a little bigger and more heavy duty, Grayl’s Geopress option is also outstanding.

With 50% more capacity, it is sized for adventure and is both faster and easier to use – pressing and purifying water in eight seconds (five litres per minute).

The only reason it was beaten onto our list by the Ultralight was portability. If that’s not an issue for you, the Geopress is designed to withstand 10-foot drops onto concrete whilst full of water.

As well as its durability, the Geopress bottle is wide enough to fit ice cubes in and to get your hand right to the bottom for cleaning purposes.

Pros
  • Filters out absolutely everything
Cons
  • Too small for most outdoor adventures

7. SteriPen Adventurer Opti UV Handheld Water Purifier

View on Amazon

Key features:

  • Bottle capacity: N/A
  • Filter life: 8000 treatments
  • Purifies: Yes
  • Filters: No

Whilst this one is not a water bottle, it achieves the same outcome – purified, safe drinking water – and is far more lightweight than any of the bottles, as well as being sharable within a large group.

SteriPen is a well-known portable purifier manufacturer and you’ve no doubt met adventurers or backpackers with one.

The Adventurer Opti uses an optical eye to sense the water, so you just need to dunk it into a glass or water bottle, stir for a minute or two, then drink.

One click purifies one litre and two clicks purifies half a litre. The integrated flashlight is a bonus for when you’re trying to purify your water late at night.

SteriPen and independent lab studies indicate that the device destroys 99.9999% of bacteria, 99.99% of viruses and 99.9% of protozoa (Giardia and Cryptosporidium).

However, it is a steriliser, not a filtration system, meaning that metals, particulates and chemicals will not be removed from the water.

So although the water will be safe to drink, it will taste the exact same as when you started the process. As such, this is only an option if you’re going to be drinking from freshwater sources or taps/fountains.

The reliance on battery power also isn’t ideal, particularly for those travelling in hot/cold climates where batteries deplete at a much faster rate.

The SteriPen comes with two AA batteries but investing in some rechargeable ones will save you money in the long run.

You’re looking at around 60 one-litre treatments per set of batteries and 8000 treatments before the UV lamp starts to falter.

If you’ve got enough room in the budget, consider the slightly pricier Steripen Ultra, which is USB rechargeable.

Pros
  • Super lightweight
  • Kills almost everything
Cons
  • Relies on battery power
  • Doesn’t create clear water

8. LifeSaver 4000UF Bottle

View on Amazon

Key features:

  • Bottle capacity: 750ml
  • Filter life: 4000 litres (6000-litre option available)
  • Purifies: Yes
  • Filters: Yes

The most expensive and heavy-duty option on our list is the LifeSaver 4000UF. It has an impressive 4000-litre lifespan in terms of purification, with the more expensive option of 6000 litres also on offer.

The replaceable Activated Carbon Block is effective for up to 250 litres and can be bought inexpensively in multipacks.

The first LifeSaver 4000UF Bottle revolutionised portable filtration and has been tweaked in the years since.

This bottle is one of our favourite options on the market to keep you hydrated, whilst protecting you from 99.99% of waterborne viruses, bacteria and cysts.

In fact, the British Army sent its troops to Afghanistan in 2010 kitted out with thousands of them.

Interestingly, the water bottle can be filled up by submerging and squeezing.

At this point (and in everyday use to be safe) it is important to use the water-tight snap on cap that seals over the drinking nozzle and surrounding area to avoid cross contamination.

Outside of that, the LifeSaver functions like a normal water bottle allowing you to brush your teeth or cook with it.

The FailSafe technology within lets you know when the cartridge needs replacing.

The filter membranes are blocked and water can not pass through, keeping users safe and taking the worry out of remembering when it’s overdue.

The one downside is that its increased capacity and durability make it relatively heavy. At 625 grams before even filling up, the weight could make it a non-starter for some users, particularly lightweight travellers.

Pros
  • Long lifespan
  • Can be refilled by submersion
Cons
  • Expensive
  • Heavy

How to choose the best purifying bottle for you

Waterborne viruses and bacteria are found in all developing countries, infecting travelers and local populations, and resulting in hospital visits and the need for courses of drugs.

However, there are also plenty of illnesses that can be contracted from lakes and streams across Europe, America and Oceania – so investing in a water purification bottle or device is a good call.

Most people are looking for something that will not only improve the taste but kill bacteria, cysts, and viruses. It’s the last of those in particular that many devices won’t destroy.

So what should you consider when making a purchase?

Where you’ll be collecting the water from:

Water quality ranges around the world and each water source could be hiding something different.

If you will be filtering tap water only (whether that is in your own house or India) then any bottle or device that purifies will be fine.

If you want to fill up your bottle on a camping trip from the river, then filtering the water will be just as (or more) important as you want to remove sediment and possibly even creatures!

As a minimum requirement you want something that won’t make the water taste worse than it already does (as is true with many tablet options) but ideally it should also filter out particulates, chlorine and metals.

For anyone looking for a filter bottle to take backpacking in Asia, a lightweight or cheap option simply won’t do the trick.

Equally, if you only need one for removing the chlorine taste from tap water, there’s no need to invest in something as chunky as Grayl’s Geopress.

Filter type

If you’re travelling to the developing world, splash out on a bottle that filters out both bacteria and viruses.

Whilst bacteria can be treated with a simple course of antibiotics, viruses can linger or even go unnoticed for a long time.

Generally the more expensive bottles, such as those made by LifeSaver and Grayl, will remove 99.99% of everything and you won’t have to be constantly second-guessing every stomach rumble or twinge.

Only filters will influence the turbidity of the water (reducing how cloudy, opaque or thick with suspended matter it is), so we would personally always opt for a purifying and filtering bottle over a UV-light device.

If your bottle doesn’t come with an automatic stop when it’s time to replace the filter then you will need to keep track of when its time is up.

To do this, just multiply your typical daily consumption by days used and add a bit extra for certainty then set yourself a reminder.

In case you were wondering, virtually all purifying bottles cannot be used with pool water, to filter out chemicals, or anywhere that water is being collected downstream from any effluent (waste) sources.

Two-stage filter straws that use a combination of activated carbon and fibre membranes typically provide a taste and odor-free drinking experience, whereas chemical filters and tablets will leave the water safe but not quite as pleasant to drink.

Durability and longevity

If your bottle is made of plastic, double check that it is BPA-free and what type of material it is made from.

Stainless steel is usually heavier but might stand up better if you’re the kind of person that constantly drops their bottle or sits on their backpack whilst waiting on transport.

Another thing to consider is how many litres of purification does the filter provide and when that has run out, do you need to bin the entire bottle or can you just replace the filter/straw?

Size, ease of use and storage

For those who want to filter large amounts of water and aren’t worried about portability, consider a larger filter system.

Both the Survivor Filter Pro and the MoKo Portable Filter are perfect for campers and hikers that are doing multi-day trips.

The Filter Pro has three-stage filtration, with a carbon filter capable of handling 2000 litres before needing replacement and the other two filters handling up to 100,000 litres.

Not only do smaller bottles hold less water, sometimes their filters are tougher to draw water up and through.

Those mentioned above have good flow rates, but if you are using it primarily during exercise, it is worth paying for one that allows water to flow as fast as a standard water bottle.

As well as water out, consider how easy it is to get water in and whether or not you’ll want to add ice cubes at any point. If so – opt for one with a wide opening.

Most water bottles that have a removable filter can be put through a dishwasher or doused in boiling water when you’re on the move.

For those that don’t, the instruction booklet will usually outline how to best keep them clean and how they should be dried for storage.

Note that you can safely put/store all of the above filtered water bottles in the fridge, but never in the freezer. This is because when the filter is frozen, the membrane is damaged and its overall performance takes a hit.

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Last update on 2020-11-24 / Affiliate links / Images from Amazon Product Advertising API

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