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The Larq bottle is made of vacuum-insulated stainless steel and keeps your water cold for up to 24 hours. It's sleek and aesthetically appealing -- my only complaint was that there's no groove or curve to fit your hand. You could always purchase the limited-edition bottle sleeve to solve that problem. 

The Lifestraw Go has three simple parts (bottle, cap and filter -- four parts if you count the carbon capsule inside the filter), and the preuse prep is simple: Just run clean water over the carbon capsule. Any time you use the bottle, let the water sit for a few moments to prime the hollow-fiber membrane filter. 

$30 at Amazon Platypus Platy Ultralight Collapsible
Our portable water bottle pick
Platypus This collapsible plastic pouch from Platypus holds two liters of water (that's about how much you should drink each day, especially if you're active) and weighs only 1.3 ounces when empty.

Now playing: Watch this: Want to buy an espresso machine? Here's what you need... 1:51 To find the best espresso machine, I spent over 80 hours putting 10 available espresso machines through their paces and only real, manual espresso machines, too -- no pre-packaged pods or capsules here. I also revisited three other espresso machines I reviewed previously. During the process, I made and sampled scores of espresso shots, double shots, lattes, cappuccinos and pitchers of steamed milk. I also took into account other things like water reservoir and storage, water filter, control panel, grinding capabilities, milk frother length (and its ability to steam and froth milk) and more.

The best espresso machine for under $200: Cuisinart EM-100
While it lacks its own coffee grinder, the $170 Cuisinart EM-100 has plenty going for it. This espresso machine has a compact design but is powerful enough to brew from fine coffee grounds. It also pulled flavorful espresso shots, second only to the Breville Barista Express in terms of quality, taste and For more information about Pitcher Water filter check out our site. strength. The machine features a long stainless steel frother for steaming milk and a built-in cup warmer too. A solid espresso machine at about a third the price of the Breville.

$45 at Amazon Bonus! The Flow stainless steel water bottle
Our functional water bottle pick
the flow This water bottle was designed for the indecisive drinker. The stainless steel bottle from The Flow is toxin-free and insulated with a grippy rubber finish, and it comes with three different cap options. Choose from a straw lid, flip lid or carabiner (screw-top) lid, depending on what your day calls for and what beverage you're drinking (hot drinks like coffee go nicely with the flip lid).

One downfall for backpackers, though, is that this bottle will never return to its dry weight while you're on foot. It's impossible to squeeze all of the water out of the bottle, so expect it to add some weight to your pack after the first use. 

Tyler Lizenby/CNET If you over-extract, you run the risk of leaching out unpleasant flavors (bitterness) after the good. On the opposite end of the scale, under extracted brews tend to have undeveloped flavors. Lacking sugars and other caramelized organic chemicals, these shots will taste sour, weak and watery.      

How did I test these self-cleaning water bottles? 
I tested three UV-powered self-sanitizing water bottles -- the Larq bottle, the CrazyCap bottle and the Mahaton bottle (which is on Kickstarter, but is fully funded and already shipping products) -- using the tap water from my apartment's kitchen sink. 

$20 at Amazon Not recommended
Sediment remained in water
Lifestraw Go
Lifestraw Despite being one of the most popular water-filtering products on the market, the Lifestraw Go did not meet my expectations for filtering. The double-stage filtration includes a hollow-fiber membrane and a carbon capsule, yet this was the only bottle that produced water with particles after passing through the filter. That's not to say the Lifestraw Go isn't safe to drink from -- the particles were probably just sediment -- but it did produce a relatively strong mineral taste compared to the other bottles on this list.

Tyler Lizenby/CNET For many java drinkers, espresso is coffee's ultimate expression, and finding the best espresso machine in your price range might mean the difference between a great brew and something that's just so-so. Concentrated, complex and intensely flavorful, it's easy to fall hard for espresso. But to create and enjoy good drinks at home, you've got to be prepared to spend big bucks. The best home espresso machines have an advanced brewing process and handy bells and whistles like a double portafilter basket for double shot drinks and a milk frother and steam wand for a cappuccino or latte. These automatic machines don't come cheap, and you can expect to pay at least $600 for something that whips up legit cafe-caliber espresso drinks. But when in doubt, try to remember how much you'll be saving on all the lattes and double shots you get from your coffee shop.