Staying hydrated all through the day is not any simple process. Whether or not you have simply completed your exercise on the fitness center, are taking a brief hike and even finishing day by day duties on the workplace — that you must be sure you’re consuming sufficient water. And the key to a wholesome and hydrated life is a superb reusable water bottle which you can refill recurrently. Reusable water bottles are additionally key to decreasing your influence on the atmosphere. 

The draw back is you may should be sure you preserve it clear, in any other case it might turn out to be a breeding floor for micro organism. Throwing it within the dishwasher once in a while will help, however the easiest way to make sure the water inside is all the time contemporary and secure is with a self-cleaning water bottle. Self-cleaning water bottles make it possible for your water is freed from contaminants and be sure that you may by no means have to scrub your water bottle by hand once more. 

Self-cleaning water bottles use UV expertise to zap waterborne microbes and preserve them out of your drink, whatever the water supply. That is not like filtered water bottles, which use a wide range of mechanisms to entice pathogens and sediment.

Three self-cleaning water bottles outside.

Left to proper: The CrazyCap, Mahaton and Larq bottles all sanitize themselves with UV-C mild. 

Amanda Capritto/CNET

The most important distinction between water bottles that present filtration and self-cleaning water bottles is that the UV expertise utilized in self-cleaning bottles would not eliminate grime and sediment. So whereas the bottles can kill viruses, micro organism and different microorganisms that may make you sick, they will not filter out heavy metals or different particulates like an precise purification system would possibly. Nonetheless higher at guaranteeing you could have clear water than conventional water dispensers or single-use plastic bottles, although.

Due to that, I made a decision to not take a look at these self-cleaning water bottles outside. As a substitute, I used faucet water to seek out out which self-cleaning bottles stood as much as their claims. I additionally did most of my water consuming at house or within the workplace. So which is one of the best self-cleaning water bottle? Listed here are my ideas: Ditch your plastic water bottle and begin consuming from nearly any water supply with reckless abandon utilizing your individual private water purification system!


The CrazyCap bottle has two water purification modes: regular mode and “loopy mode.” In accordance with CrazyCap, regular mode kills as much as 99.99% of contaminants and is appropriate for “low to medium contamination,” resembling from public water fountains and faucet taps. Loopy mode, alternatively, kills as much as 99.9996% of contaminants and is appropriate for “medium to excessive contamination,” resembling from lakes and rivers. The conventional purification cycle takes 60 seconds and the loopy purification cycle takes two and a half minutes. 

The CrazyCap additionally has an autoclean perform, which activates six instances per day for 20 seconds. CrazyCap says this periodical publicity to UV-C mild prevents microbial development and odor, and it appears to work: After three days of use, I did not discover any smells or movies contained in the bottle. Moreover, purified water from the CrazyCap bottle tasted considerably higher than water from the faucet faucet.

The CrazyCap bottle is extra slender than the others on this listing, which I preferred. It suits into my automotive cup holders, in addition to the mesh cup holders on my fitness center bag and backpack. It is a bit taller than the Larq and the Mahaton, so that you might need hassle becoming it within the prime rack of your dishwasher. 

Personally, I believe one of the best factor about CrazyCap is which you can purchase simply the cap, which in keeping with the web site suits on many various water bottles, possibly one thing you have already got. 

On a single filtered water bottle cost, the CrazyCap will last as long as two months, however provided that you permit it to autoclean. Manually beginning the self-cleaning water bottle purification cycle impacts that cost time, although CrazyCap would not specify by how a lot.


The Larq bottle additionally has two purification modes: regular and journey. Regular mode purifies as much as 99.99% of pathogens in 60 seconds, and journey mode purifies as much as 99.9999% of water in three minutes. It would not appear to be a lot of a distinction, however that 0.0099% water filtration could make or break water that comes from a stream or different pure supply. 

You may activate the UV-C purification mild everytime you need by urgent the button on the highest of the bottle, however Larq additionally involves life each two hours for a 10-second cleansing cycle. I did not discover any funky smells or movies on the within of the Larq bottle after three days of fixed use of the self-cleaning bottle.

Larq was the one one of many three bottles that did not style considerably higher than my water, nevertheless. It tasted barely cleaner, however I in all probability could not inform the distinction if somebody blind taste-tested me. 

The Larq bottle is product of vacuum-insulated chrome steel and retains your secure consuming water at a chilly temperature for as much as 24 hours. It is glossy and aesthetically interesting — my solely grievance was that there is not any groove or curve to suit your hand. You might all the time buy the useful journey sleeve to unravel that drawback. 

A single cost on the Larq can provide you as much as two full months of use, assuming you ship it via three to 4 cleansing cycles (in regular mode) per day. In case you use journey mode, the cost will last as long as 12 days. 

Amanda Capritto/CNET

The Mahaton self-cleaning water bottle (obtainable for preorder for $44) options one purification cycle that eliminates as much as 99.99% of waterborne pathogens. After three days of near-constant use, the self-cleaning water bottle did not present any indicators of build-up — no bizarre smells, no crusty movies. 

Not like the CrazyCap and the Larq, the Mahaton bottle would not have a further purification setting for our bodies of water that may comprise extra contaminants, resembling streams and different sources of groundwater. For that purpose, I might advocate solely utilizing the Mahaton bottle with indoor sources of consuming water until the corporate releases a brand new bottle with a further pure water self-cleaning bottle setting.

The Mahaton bottle encompasses a glossy form with a pleasant double taper that makes it simple to carry. It is product of double-wall chrome steel, so it is sturdy and it will preserve your water chilly for hours. It is also small, so you shouldn’t have any points becoming the Mahaton bottle into holders or baggage. 

One downfall? The Mahaton bottle holds simply 12 ounces of water, which I can drink in seconds. Most individuals would wish to refill this water filtration bottle as much as eight to 10 instances every day to get the gallons they want — that is plenty of interruptions to your day.

The Mahaton bottle can last as long as three weeks on a full cost, assuming you run the purification cycle as much as 4 instances per day. That is barely lower than the CrazyCap and the Larq, however not such a brief battery life that you will really feel burdened with charging the bottle. 

Which self-cleaning water bottle is finest? 

In truth, all three of those water bottles did an amazing job at conserving themselves clear. After three days of consuming and fixed refills and no hand-washing, none of those bottles smelled musty or had any kind of movie on the within, two issues my regular metal bottle typically produces.

The Larq, CrazyCap and Mahaton all use UV-C mild to zap the entire main waterborne pathogens; they’re all chrome steel water bottle choices (no low-cost plastic water bottles right here), and all these finest self-cleaning bottle selections have automated cleansing cycles. On prime of that, all three are simple to make use of and so they all have battery notifications so that they’ll by no means die with out warning. 

I had nearly no complaints about any of those self-cleaning bottles, and when you’re on the lookout for an aesthetically pleasing bottle that purifies your water, any of the three will get the job carried out. 

The one main distinction between the three? The Larq and the CrazyCap each have two modes, whereas the Mahaton solely has one. In case you plan on utilizing your self-cleaning water bottle with out of doors sources of water, chances are you’ll wish to go for the Larq or the CrazyCap since they’ve overdrive modes that kill much more microorganisms. 

How do self-cleaning water bottles work? 

Self-cleaning water bottles use UV-C mild
to kill micro organism
, viruses, protozoa and different microorganisms by destroying their DNA. The UV mild sterilizes each the water within the bottle and the inside floor of the bottle. 

UV-C mild serves as a handy, principally hands-off method to preserve reusable water bottles clear with out the necessity for chemical substances or cleaning soap. Most self-cleaning water bottles, together with the three coated on this article, even have all of the options you’d search for in a traditional reusable water bottle: They preserve steaming sizzling water cold and hot water chilly (or room temperature water at room temperature), and so they’re sturdy. 

How did I take a look at these self-cleaning water bottles? 

I examined three UV-powered self-sanitizing water bottles — the Larq bottle, the CrazyCap bottle and the Mahaton bottle (which is on Kickstarter, however is absolutely funded and already transport merchandise) — utilizing the faucet water from my condo’s kitchen sink (my most well-liked water supply). 

I normally do not buy bottled water, and I haven’t got a faucet water filter, so I typically drink this water unaltered. I totally cleaned every bottle and charged them in a single day to make sure they have been prepared for testing. Then, I used every bottle for 3 days instead of my regular reusable bottle. 

What to search for in a self-cleaning water bottle

You must think about six vital components when selecting a UV-powered water bottle like these: Purification, style, design, ease of use, capability and battery life. In case you resolve to buy a self-cleaning water bottle, you may need one which kills as many microbes as attainable, produces a superb style, is straightforward to carry and transport, and lasts for a good time period on one cost. 

1. Purification: What does the bottle promise to eliminate, and at what proportion? Additionally, how lengthy does it take for the bottle to purify the water? Is there an autoclean perform? I additionally thought-about how the bottle smelled and seemed on the within after three days of use. 

2. Style: How does the water style after going via the purification cycle, in comparison with my consuming water? 

3. Design: What’s the bottle product of and the way handy and straightforward is it to hold round? Does it preserve water chilly?

4. Ease of use: How simple is it to arrange the bottle for first use, clear it and retailer it? 

5. Capability: How a lot water does the bottle maintain? Will you be refilling it continuously, or will the pure water final you some time?

6. Battery life: How lengthy does the bottle final (and what number of cleansing cycles can it full) on a full cost? 

Extra for thirsty readers 

The knowledge contained on this article is for instructional and informational functions solely and isn’t meant as well being or medical recommendation. At all times seek the advice of a doctor or different certified well being supplier concerning any questions you could have a few medical situation or well being aims.

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