Insulated water bottles have been around for a long time, but in the last decade or so their popularity skyrocketed with brands like Hydro Flask and YETI.  There’s no doubt that the dual-wall insulation technology in these bottles is a wonderful quality of life improvement compared to non-insulated bottles, especially if you live in a hot region.
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But if you look on Amazon today, you can find dozens if not hundreds of brands selling similar insulated bottles.  So many people ask, which water bottle has the best insulation?

We tested 10 popular water bottles to see how well they hold ice.

(click an image below to see the bottle on Amazon)

Because the main purpose of an insulated water bottle is to maintain a temperature for longer periods throughout the day, we measured the weight of ice before and after the test as our main metric.  We purchased an ice mold that creates larger sticks to limit the effect that surface area variations in different pieces of ice might have on the melting rate.  Then we added one ice stick to each bottle and no water.  After four hours, we poured the contents of each bottle into a strainer, then the remaining ice was dumped onto a scale.  By comparing the weights of each ice stick before and after, we were able to get an idea of which bottle keeps ice the best.  We then repeated this test three times and calculated the cumulative results.

The cumulative results are summarized in the table below.  You can see the percentage of ice that melted in the fourth column.  A few things jumped out at us.

​When we take a step back to think about these results overall, we can reach a few conclusions.

1. Triple-Wall - This was our first test of a triple-wall insulated bottle, but these might be the real deal and are worth testing more.
2. The "OG" Thermos - While this type of Stanley bottle is not as convenient to drink from for every-day hydration, the Stanley Original is great at what it was primarily designed for.  This is the best option to keep your drink hot while you’re camping or watching a sporting event.  Just pour the drink from the Stanley into the cap or another container to drink from.
3. Dual-Walls - For most people, any of the dual-wall insulated bottles from this test will be good enough to get them through the day, particularly when considering that you’ll probably use more ice than we did.  Our results showed some brands are slightly better than others, and in particular the ThermoFlask seemed to be the worst of the group.  But in our opinion there’s not enough of a difference to base a buying decision entirely on the insulation.  Instead, take other factors like the price, color options, and lid types into account to get a bottle that’s best for you.

I'll be 35 years old tomorrow, and I've had a soda habit since I was a kid.  Growing up, it wasn't uncommon for me to drink 2, 3, or even 4 sodas per day.  As you might guess, I've also been overweight most of my life too, which is certainly not a coincidence.  But at 35, I finally kicked my soda habit.  I'm down almost 10 pounds this year, and best of all, I feel like what I'm doing is sustainable.

​Here's what's working for me, and hopefully it'll help you on your journey too.

Google Trends - Searches for "Low Sugar" for the Previous Five (5) Years

Of all the ways that consumers regularly ingest sugar, sugary beverages are the primary culprits.  These include:

• Sodas 
• Sports drinks
• Fruit juices
• Energy drinks
• Coffee or tea with added sugar

According to the American Heart Association, the maximum recommended sugar intake is 36 grams of sugar per day for men.  For women, it's 25 grams.  Each one of the drink examples above is either right at those limits or way above them, all from one drink.

Seeing how bottle and can sizes vary, it's also interesting to look at the sugar concentration as shown below.

​One of the more surprising realizations for most people is how most fruit juices really aren't good for you.  Sure they provide some benefits like vitamins and other nutrients, so in that way they are better than sodas.  But the sugar content per ounce for Minute Maid orange juice is essentially the same as a Coke!

There are plenty of people smarter than me that study this topic for their day jobs, so I'll leave it to them to provide additional details and research about sugar and health.  Here are some of the more helpful articles we've read.

The Centers for Disease Control and Prevention: Guidance on Added Sugars

WebMD: How Sugar Affects Your Body

American Heart Association: How Much Sugar is too Much?

Healthline: 11 Reasons Why Too Much Sugar is Bad for You

And keep in mind that diet sodas aren't free-and-clear of problems either.  There is growing evidence that drinks with artificial sweeteners like aspartame and sucralose are bad for you as well, as discussed here.

After reading articles about how sugar essentially acts like a poison and how sodas in particular are "empty calories" that provide no nutritional benefit, I knew it was in my best interest to quit.

Each time I tried to change, I would start off a few days or weeks without sodas, but then I would slip and start drinking them again.  The most common backfiring strategies I used were:

• Comforting: "I had a rough day.  A soda will make me feel better."
• Celebrating: "I had a good day.  I'll have a soda to celebrate." (ironic, right?).
• Rationalizing Now vs Future: "I'll have one soda today and get back on the soda diet starting tomorrow."  Or, "I have many more years to develop better habits, so one soda today won't kill me."

The reason that these backfiring strategies worked on me was that I hadn't determined what my real motivation was yet.  I said I wanted to lose weight, and that can work for many people.  But the problem, for me, is that I'm fairly comfortable in my own skin already.  Also, I have always been overweight so it's not easy for me to truly realize how much better I might feel to achieve a healthy weight.  It was more abstract.

But as I got older, something happened.  I started thinking more about how little time we truly have, and how chronic diseases that we always read about and learned of back in school are very real.  And then someone very close to me passed away.  He smoked most of his life, and though he was finally able to quit a few years ago, by then the damage was done.  He developed cancer and passed away earlier this year.  He urged me to improve my habits now and to learn from his life experiences.  This changed my motivational focus.

Honestly, I've used all of the strategies listed above to varying degrees.  But the ones that helped me the most are #1 and #4.  By drinking more water, I've been able to feel fuller and am less likely to drive to the store for a soda.  And by using a flavored drink alternative, I can still take a break from "boring" water each day and satisfy my need for flavor.

This is what's working for me.

Need another bottle?  Check out Hydro Flask's Amazon store.

After debuting just over 10 years ago, Hydro Flasks quickly gained traction as the go-to insulated water bottle.  For many people, the simple benefit of having a bottle that is vacuum-insulated was enough of a selling point.  For others, it's the clean, yet stylish design.  Whatever the reason, Hydro Flask continues to build its following and shows no signs of slowing down.

It's only natural what happened next.  A whole range of accessories have been developed with the goal of making life with these amazing but cumbersome bottles a little easier.

We here at BottlePro got involved in this niche early with our cup holder adapter, so we've seen it grow over the years, including new notable accessories coming available fairly often.  Here are some of our favorites for the best accessories for Hydro Flasks in 2022 (focusing on 32 and 40 ounce bottles).