A reusable water bottle offers two major benefits: you stay better hydrated and reduce your impact on the environment. They are hard to clean and that’s where self-cleaning water bottles come in. They ensure that your water is clean of contaminants and ensure that you will never have to manually clean a water bottle again.
Clean water bottles use UV technology to completely destroy water-borne microbes and prevent them from entering the drink, regardless of the water source. This is differentwhich use different mechanisms to capture pathogens and sediment.
The biggest difference between filtration water bottles and self-cleaning water bottles is that the UV technology used in self-cleaning bottles does not remove dirt and sediment. So, although bottles can kill viruses, bacteria and other microorganisms that can make you sick, they will not be filteredor other particles such as an actual purification system. However, it is better to provide clean water than traditional water dispensers or disposable plastic bottles.
That’s why I decided not to test these self-cleaning water bottles outdoors. Instead, I used tap water to find out which self-cleaning bottles matched their claims. I also drank most of my water at home or in the office. So what is the best self-cleaning water bottle? Here are my thoughts: Discard your plastic water bottle and start drinking from almost any water source recklessly using your personal water purification system!
The CrazyCap bottle has two ways of purifying water: the normal and the “crazy way”. According to CrazyCap, normal mode kills up to 99.99% of pollutants and is suitable for “low to medium contamination,” such as public fountains and faucets. Crazy mode, on the other hand, kills up to 99.9996% of pollutants and is suitable for “medium to high contamination” such as lakes and rivers. A normal cleansing cycle lasts 60 seconds and a crazy cleansing cycle lasts two and a half minutes.
CrazyCap also has an auto-clean feature, which turns on six times a day for 20 seconds. CrazyCap says that this periodic exposure to UV-C light prevents microbial growth and odors, and seems to work: after three days of use, I didn’t notice any odors or films inside the bottle. In addition, the purified water from the CrazyCap bottle tasted significantly better than tap water.
The CrazyCap bottle is slimmer than the others on this list, which I liked. It fits in my car cup holders as well as the mesh cup holders on my gym bag and backpack. It is slightly taller than the Larq and Mahaton, so you may have trouble placing it in the top shelf of your dishwasher.
Personally, I think the best thing about CrazyCap is that you can only buy a stopper, which according to the website fits on many different water bottles, maybe something you already have.
With one filling of a bottle of filtered water, CrazyCap will last up to two months, but only if you leave it to clean automatically. Manually starting the self-cleaning water bottle purification cycle affects the filling time, although CrazyCap does not specify how much.
The Larq bottle also has two ways to purify: normal and adventurous. Normal mode purifies up to 99.99% of pathogens in 60 seconds, and adventure mode purifies up to 99.9999% of water in three minutes. It doesn’t seem like a big difference, but that 0.0099% water filtration can create or break water coming from a stream or other natural source.
You can activate the UV-C cleaning lamp whenever you want by pressing the button on the top of the bottle, but Larq also comes to life every two hours during a 10-second cleaning cycle. I didn’t notice any funky odors or films on the inside of the Larq bottle after three days of constant use of the self-cleaning bottle.
However, Larq was the only one of the three bottles that didn’t taste much better than my water. It tasted a little cleaner, but I probably wouldn’t be able to tell if someone had tested me blind.
The Larq bottle is made of vacuum-insulated stainless steel and keeps your safe drinking water at a cool temperature for up to 24 hours. It’s sleek and aesthetically appealing – my only complaint was that there are no grooves or curves to stand in your hand. You can always buy a limited edition bottle cover to solve this problem.
One charge of Larq can give you up to two full months of use, assuming you go through three to four cleaning cycles (in normal mode) a day. If you use the adventure mode, charging will take up to 12 days.
Amanda Capritto / CNET
The Mahaton self-cleaning water bottle (available for pre-order for $ 44) has a single purification cycle that eliminates up to 99.99% of water-borne pathogens. After three days of almost constant use, the self-cleaning water bottle showed no signs of accumulation – no strange odors, no crust.
Unlike CrazyCap and Larq, the Mahaton bottle does not have an additional setting to purify water bodies that may contain more pollutants, such as streams and other groundwater sources. For this reason, I would recommend using the Mahaton bottle only with internal drinking water sources, unless the company releases a new bottle with an additional clean water bottle self-cleaning setting.
The mahaton bottle has an elegant shape with a nice double cone that makes it easier to hold. It is made of double-walled stainless steel, so it is durable and will keep your water cool for hours. It’s also small, so you should have no problem placing Mahaton bottles in holders or bags.
One drop? The mahaton bottle contains only 12 ounces of water, which I can drink in seconds. Most people would need to refill this water filter bottle up to eight to 10 times each day to get the gallons they need – that’s a lot of breaks in your day.
The mahaton bottle can last up to three weeks with a full filling, assuming you start the cleansing cycle up to four times a day. It’s slightly less than the CrazyCap and Larq, but it’s not such a short battery life that you’d feel burdened by filling the bottle.
Which self-cleaning water bottle is best?
Honestly, all three of these water bottles were kept perfectly clean. After three days of drinking and constantly filling and without washing my hands, none of these bottles smelled moldy or had any film inside, two things my usual steel bottle often produces.
Larq, CrazyCap and Mahaton are useddestroy all major waterborne pathogens; all of these are stainless steel water bottle options (there are no cheap plastic water bottles here), and all of these best self-cleaning bottles have automatic cleaning cycles. On top of that, all three are easy to use and all have battery notifications so they will never die without warning.
I’ve had almost no complaints about any of these self-cleaning bottles, and if you’re looking for an aesthetically pleasing bottle that purifies your water, any of these three will do the job.
The only big difference between these three? Larq and CrazyCap have two modes, while Mahaton has only one. If you plan to use your self-cleaning water bottle with external water sources, you may want to opt for Larq or CrazyCap as they have overdrive regimens that kill even more microorganisms.
How do self-cleaning water bottles work?
Use of self-cleaning water bottles UV-C light
to kill bacteria
, viruses, protozoa and other microorganisms destroying their DNA. UV light sterilizes both the water in the bottle and the inner surface of the bottle.
UV-C light serves as a convenient, mostly hands-free way to keep reusable water bottles clean without the need for chemicals or soap. Most self-cleaning water bottles, including the three covered in this article, also have all the features you would look for in a regular reusable water bottle: Maintain steam hot water, hot and cold water (or room temperature water at room temperature), and durable are.
How did I test these self-cleaning water bottles?
I tested three self-disinfecting UV water bottles –the and a bottle of Mahaton (which is on Kickstarter, but is fully funded and already delivers products) – using from the sink of my apartment (my favorite source of water).
I don’t usually buy bottled water, and I don’t have a tap water filter, so I often drink this water unchanged. I thoroughly cleaned each bottle and refilled it overnight to be ready for testing. I then used each bottle for three days instead of my usual reusable bottle.
What to look for in a self-cleaning water bottle
You should consider six important factors when choosing a UV water bottle like these: purification, taste, design, ease of use, capacity, and battery life. If you decide to buy a self-cleaning water bottle, you will want one that kills as many microbes as possible, gives good taste, is easy to hold and transport and that lasts a decent amount of time with one refill.
1. Purification: What bottle is promised to be released and in what percentage? Also, how long does it take for a bottle to purify water? Is there an auto-clean function? I was also thinking about how the bottle smells and what it looks like from the inside after three days of use.
2. Taste: What does water taste like after going through a purification cycle, compared to my drinking water?
3. Design: What is the bottle made of and how convenient and easy to carry? Does it keep the water cool?
4. Ease of use: How easy is it to set up a bottle for first use, clean it and store it?
5. Capacity: How much water does the bottle hold? Will you be constantly replenishing it or will clean water last you for a while?
6. Battery life: How long does the bottle last (and how many cleaning cycles can it complete) at full filling?
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The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health care professional regarding any questions you may have about your health condition or health goals.