Bottled Water Brands That Use Reverse Osmosis
If you use bottled water regularly, it is always essential to know what different water bottle brands offer you; one such remarkable quality is if reverse osmosis was used when purifying the water. Reverse osmosis is when a permeable membrane separates ions and other unwanted larger molecules from water to make it safe to drink.
This blog post will discuss why reverse osmosis is used in bottled water, its pros and cons, and share a few qualified brands that use reverse osmosis for water purification.

Benefits and Drawbacks of Reverse Osmosis (RO) Bottled Water

Using reverse osmosis has many significant advantages;
As I mentioned before, reverse osmosis removes 99% of dissolved substances in water, making your water bacteria-resistant and thus safe to drink. These include chlorine, a common disinfectant found in tap water. When chlorinated water passes through the membrane, some chlorine gets trapped inside the membrane as a chemical reaction occurs between the two elements. As a result, the amount of free chlorine decreases over time.
Since Reverse Osmosis removes almost all dissolved substances, water’s taste and odor increase, making the water more appealing to drink. Drinking more water is also beneficial for our bodies to maintain their hygiene, making a double point.
Just like every other thing in the world, Reverse Osmosis also comes with a few drawbacks;
Since Reverse Osmosis removes most of the substances dissolved in normal water, it also removes many important minerals like iron, magnesium, or calcium that are needed for our bodies. But of course, most water bottle companies tend to re-add these removed minerals by a special ionization process.
Some people may find the taste of RO water too bland. If you’re not fond of plain-tasting water, then try adding flavors like fruit juice concentrates or herbs into the water bottle before drinking, or try a flavored water bottle.
Another problem that Reverse Osmosis causes is the pH change. Reverse Osmosis removes substances in the water that might be maintaining the pH level of water, thus making the pH decrease to 4-6pH levels, but of course, this acidity level wouldn’t be that dangerous for consumption.
Which Bottled Water Brands Use Reverse Osmosis
Great Value uses reverse osmosis followed by carbon filtration, UV, and ozone treatment. Light minerals are added for taste.
Some bottle sizes also contain calcium chloride or sodium bicarbonate for taste.
Icelandic Glacial combines natural filtration from the รlfus Spring with a multi-step purification system that includes reverse osmosis.
LIFEWTR runs municipal water through reverse osmosis, then adds magnesium sulfate and potassium bicarbonate for taste and pH balance.
Dasani combines reverse osmosis with added minerals that help shape the taste of the finished water.
Essentia pairs reverse osmosis with microfiltration, then adds alkaline electrolytes and ionizes the water.
Perfect Hydration is described as using a 15-step purification process with electrolytes and essential minerals.
Penta is described as taking aquifer water through an extensive purification process without adding chemicals to alter taste or pH.
The article describes Arrowhead as using spring water treated with ozone and activated charcoal.
Core Hydration is described as ultra-purified water enhanced with electrolytes and minerals for a balanced pH.
Aquafina’s purification process includes reverse osmosis along with ultraviolet and ozone sterilization.
The article lists Propel among the featured waters and focuses on its mineral content, flavors, vitamin C, and zinc.
Reverse osmosis is described as one stage within a broader filtration process before the bottled water receives another check.
Now let us look into a few brands that use reverse osmosis to purify their water. This page lists only those companies which have been verified as using Reverse Osmosis for purification purposes. Some may also be filtered or treated with other methods such as carbon filtration. Please note: this does not include all RO-treated bottled waters available on the market today; it only consists of a few brands that you can buy online and have sent directly to your door.
Great Value Purified Water
Great Value Purified Water uses reverse osmosis, then carbon filtration, UV, and ozone treatment. Walmart also adds light minerals for taste.
Harris Teeter Purified Water
Harris Teeter Purified Drinking Water uses reverse osmosis and ozone treatment, with some sizes adding calcium chloride or sodium bicarbonate for taste.
Icelandic Glacial
Icelandic Glacial combines natural filtration from the รlfus Spring with a multi-step purification system that includes reverse osmosis, active carbon, ion exchange, UV disinfection, and ozonation.
LIFEWTR
LIFEWTR starts with municipal water, runs it through reverse osmosis, then adds magnesium sulfate and potassium bicarbonate back for taste and a balanced pH.
Dasani Water – Available Everywhere
Dasani water combines a reverse osmosis filtration process with added minerals to create fresh, clean, and premium tasting water that is pure and delicious. With reverse osmosis filtration, Dasani removes impurities before enhancing the water with a unique blend of minerals for the pure, crisp, refreshing taste that’s delightfully Dasani. It also offers you lemon and strawberry-flavored water.
Essentia Water – Best Taste
In Essentia water, the water is purified by reverse osmosis and microfiltration, and alkaline electrolytes are then added to increase the taste of the drinking water and complement the body’s natural mix. It is then ionized to increase its pH to 9.5 or higher, ideal for bottled water.
Perfect Hydration
Perfect Hydration water is purified in a 15-step purification process, enhanced with electrolytes and essential minerals, ionized, microstructured, and made oxygen-rich. This product is both safe and healthy for consumption.
Penta Ultra-Purified Water
Sourced from natural aquifers, Penta Ultra-Purified Water is taken through an exclusive 13-step purification process to remove all impurities for ultra-purification. No special chemicals or additives are added to change the pH or taste of the water, making it extra safe.
Arrowhead Fluoridated Water
Arrowhead Fluoridated bottled Water is made from spring water from California and Colorado treated with ozone and activated charcoal filters before being packaged into convenient PET plastic containers. It contains no artificial additives, preservatives, colorings, flavorings, or caffeine.
It is recommended for people who want to stay healthy and active. With its high magnesium content, Arrowhead Fluoridated Water helps your muscles relax after strenuous activity. Its low acidity makes it suitable for children and adults alike.
Core Hydration
Ultra-purified and enhanced with electrolytes and minerals, Core Hydration has a balanced pH uniquely designed for an active lifestyle. Core Hydration water bottles also have special features such as the cup cap for sharing; the bottles are also made from previously recycled plastic bottles, making them safe for the environment. You can also find the water in tropical coconut, blueberry, peach mango, and watermelon lemon flavors.
Aquafina Water
Aquafina water is a bottled water brand made by Pepsico which goes through a purification process that incorporates reverse osmosis, ultraviolet, and ozone sterilization. Aquafina water also comes in six different flavors that contain zero calories and carbohydrates, with the flavors being Grape, Strawberry Kiwi, Wild Berry, Raspberry, Lemon, and Peach Mango.
Propel Water
Propel water is yet another product of PepsiCo, which is quite famous for its different flavors and mineral availability. This water brand comes in nine flavors: lemon, kiwi strawberry, grape, berry, black cherry, watermelon, strawberry lemonade, peach, and mandarin orange. This product is also a great source of vitamin C and zinc. It is now also available as a powder that can be added to water and even a reusable water bottle.
Nestlรฉ Pure Life
Nestlรฉ Pure Life, produced under the popular brand Nestlรฉ, is one of the best water bottles available in the market. The water is directly pumped from springs via stainless steel pipes, which then go through a unique filtration process that consists of reverse osmosis and other filtering methods. The bottled water is then rechecked for any harmful chemicals before being shipped to stores.
How We Verified Each Brand
We relied on product labels, water quality reports, and other verifiable details rather than marketing claims. When available, third-party certifications and TDS data gave us another useful cross-check.
Why We Verify the Product, Not Just the Brand
We check the specific bottled product because sourcing and treatment can change by region. The same brand may use different municipal supplies, wells, mineral removal, or post-treatment at different plants.
Which Popular Bottled Waters Do Not Use Reverse Osmosis?
Poland Spring, Evian, Perrier, San Pellegrino, and Fiji are examples of bottled waters that do not rely on reverse osmosis. They use natural spring, mineral, or artesian sources, often with basic filtration or ozonation.
Is Reverse Osmosis water better than bottled water?
Through reverse osmosis, as I had mentioned before, normal water is given a thorough filtration, which is proven to be much better than other filtration methods. This makes it a better choice than other types of water available in the market.
Water like distilled, spring, and mineral water can contain many unhealthy components, which in reverse osmosis are often removed. Furthermore, reverse osmosis water tends to have a better taste and odor than other water types since molecules that leave stains are removed from it, whereas spring, distilled or mineral water will have different tastes and odors from one bottle to the other.
Reverse Osmosis works best on hard water because soft water requires additional treatment steps to make it drinkable. However, some brands claim that their products do not require filtration since they already have a multi-stage filtration system.
In general, Reverse Osmosis water proves to be better than regular bottled water and is much healthier for consumption.
Does โPurified Waterโ Mean Reverse Osmosis?
Not necessarily. โPurified waterโ is a broader label that can include reverse osmosis, distillation, deionization, or another suitable process that meets FDA purity standards. So if a bottle only says โpurified,โ that alone does not confirm RO treatment.
Why Some RO Bottled Waters Add Minerals Back
RO removes most dissolved minerals along with unwanted contaminants, which can leave the water tasting flat. Some brands add back small amounts of calcium, magnesium, or other minerals to improve taste and bring the pH closer to a balanced level.
Which RO Brands Add Minerals or Electrolytes?
Some RO systems from APEC Water Systems, Waterdrop, Express Water, and iSpring include remineralization stages that add calcium, magnesium, or potassium back to improve taste and mineral balance.
Can RO bottled water be used in Fish Tanks?

To put it simply, RO water is too pure for aquatic use and needs to have beneficial minerals added to it if you wish to use it for aquatic tanks. But it can be considered better than tap water since RO water will not contain harmful components that tap water contains. And since the components in RO water are fewer, you are given the possibility to add more essential substances that fish require into the water.
Which RO Bottled Water Should You Choose?
YOUR PRIORITY
What matters most when you choose bottled water?
TASTE
What kind of water taste do you prefer?
BUYING HABIT
How do you normally buy bottled water?
WATER SOURCE
How much does the original water source matter?
YOUR RESULTS
Your best matches
These are based on the treatment details and buying factors covered in this article.
If you mainly want reliable RO purification and easy availability, Aquafina or Dasani are straightforward picks. Costco Kirkland Signature can suit bulk buying, though its purification setup may depend on the regional bottling plant. Taste, added minerals, and plastic use still matter.
Common Questions About RO Bottled Water
Is Reverse Osmosis Water Safe to Drink?
Yes. Properly produced RO water is safe to drink and highly purified.
Can RO Bottled Water Still Contain Minerals?
Yes. RO bottled water can still contain small amounts of trace minerals.
Can the Same Brand Use Different Purification Methods?
Yes. Purification setups can vary between regional bottling plants and facilities.
Can Reverse Osmosis Remove Lead?
Yes. Reverse osmosis can remove up to 99% of lead and other heavy metals from water.