Learn about the Best Alkaline Water
We've been testing and tracking alkaline water brands since 2023. Some have gotten better. Some have quietly changed their formulas. A few new ones showed up that deserve attention.
This is our updated ranking for 2026, based on pH level, mineral content, taste, packaging, and whether the brand actually delivers what it claims. We also cover how to make your own alkaline water at home if you'd rather skip the markup.
Quick context: alkaline water has a pH above 7 (neutral). Most brands sit between 8 and 10 on the pH scale. The higher the pH, the more alkaline. Regular tap water is usually around 6.5 to 7.5 depending on your city. Whether the health claims hold up is a separate question (we get into that below), but the demand is real: "best alkaline water" gets 2,900+ searches a month, and the broader alkaline water category pulls 90,500.
No Time to Read? Our Top 3 Picks
| Brand | pH | Source | Why We Like It | Price Check |
|---|---|---|---|---|
| Essentia Water | 9.5+ | Municipal (ionized) | Consistent pH, smooth taste, widely available | Amazon |
| Waiakea | 8.2 | Hawaiian volcanic | Naturally alkaline, strong sustainability story | Amazon |
| Evamor | 8.8-9.1 | Louisiana artesian | Best naturally sourced, no ionization needed | Amazon |
For DIY options, check our related guides:
- How to Make Alkaline Water at home with common ingredients
- Best Water Ionizers for making alkaline water on demand
What Actually Makes Water Alkaline?
Two ways a brand gets a high pH number on the label.
Naturally alkaline water picks up minerals like calcium and magnesium as it flows through rock. Volcanic springs, artesian aquifers, limestone formations. The minerals raise the pH naturally. Waiakea and Evamor work this way.
Ionized alkaline water starts as purified water (often municipal tap run through reverse osmosis) and then gets processed through an electrolysis chamber that separates acidic and alkaline molecules. Essentia and Talking Rain AQA use this method. The result is a higher pH, but the mineral profile is different from naturally sourced water.
Does it matter which type you drink? Honestly, for most people, no. Both types raise the pH. But if you care about naturally occurring minerals like magnesium, potassium, and calcium, the naturally sourced brands have an edge.
The Benefits of Drinking Alkaline Water
Let's be direct about this. The research on alkaline water benefits is mixed. Some studies show real effects. Others show nothing beyond what regular drinking water does. Here's what the evidence actually supports:
Acid reflux relief. A 2012 study published in Annals of Otology, Rhinology & Laryngology found that water with a pH of 8.8 deactivated pepsin, the enzyme that causes acid reflux damage. This is the strongest clinical evidence for alkaline water. If you deal with laryngopharyngeal reflux, it's worth trying.
Hydration. A 2016 study in the Journal of the International Society of Sports Nutrition found that high-pH electrolyte water improved blood viscosity (a measure of hydration) by 6.3% compared to standard purified water after exercise. Not a massive difference, but measurable.
Bone health. Some research suggests alkaline water with bicarbonate and calcium may reduce bone resorption markers. The data is preliminary, and the Mayo Clinic notes there's "no scientific evidence" that alkaline water treats or prevents disease. Fair enough. But the acid reflux data is solid.
What's probably overstated: cancer prevention, detoxification, anti-aging, weight loss. These claims show up on alkaline water brand websites constantly. We haven't seen credible clinical evidence for any of them. Drinking alkaline water is fine. It's not medicine.
Top 5 Best Alkaline Water Brands for 2026
Special Mention: Custom Labeled Alkaline Bottled Water
No brand is better than your own. At CustomWater.com, we supply businesses, gyms, hotels, and event planners with custom alkaline bottled water featuring your logo and brand design.
We use fluoride-free purified water enhanced with potassium bicarbonate, calcium chloride, and magnesium chloride. Our alkaline water has a pH of 9+ on the pH scale. Every order includes free full-color label design.
Want to launch your own alkaline bottled water brand? Get a free quote or try our free label designer to preview your bottle.
1. Essentia Water
pH: 9.5+ | Source: Municipal (ionized) | Rating: 5/5
Essentia is the brand most people think of when they hear "alkaline water." There's a reason for that. The pH is consistently 9.5 or higher, the taste is clean without any mineral bite, and you can find it at basically every grocery store in the country.
Their process starts with municipal water, runs it through micro-filtration and reverse osmosis, adds electrolytes back in, then ionizes it to remove acidic ions. The result is smooth, slightly sweet water that doesn't taste like it's been processed. BPA-free bottles. Available in sizes from 12 oz to 1.5 liters.
If you're new to alkaline water and want a safe starting point, this is it. Check current prices of Essentia Alkaline Water.
2. Waiakea Hawaiian Volcanic Water
pH: 8.2 | Source: Mauna Loa volcano, Hawaii | Rating: 4.5/5
Waiakea is naturally alkaline. No ionization, no electrolysis. The water filters through thousands of feet of volcanic rock on Mauna Loa, picking up minerals like magnesium, potassium, calcium, and silica along the way.
The pH of 8.2 is lower than Essentia's 9.5, but the mineral profile is richer because it's naturally sourced. The taste is noticeably different from ionized brands. Cleaner, with a slight mineral finish.
Waiakea uses 100% rPET recyclable bottles and supports reforestation in Hawaii. If sustainability matters to you as much as pH, this is the pick. Check current prices of Waiakea Alkaline Water.
3. Evamor Natural Alkaline Artesian Water
pH: 8.8-9.1 | Source: Artesian aquifer, Louisiana | Rating: 5/5
Evamor hits a sweet spot that's hard to find: high pH (8.8 to 9.1) from a completely natural source. No ionization. No added minerals. The water comes from a protected artesian aquifer in Louisiana and is naturally alkaline straight from the ground.
The taste is smooth and neutral. No mineral heaviness, no chemical aftertaste. Evamor uses BPA-free bottles and recycles PET. For people who want the highest naturally occurring pH without any processing, Evamor is the best option on the market. Check current prices of Evamor Water.
4. Talking Rain AQA Alkaline + Ionized Water
pH: 9.5+ | Source: Municipal (RO + ionized) | Rating: 4.5/5
Talking Rain AQA packs everything into one bottle. Alkaline, ionized, minerals, and electrolytes. The pH sits at 9.5+, matching Essentia at the top of the scale.
The process: reverse osmosis purification, then electrolysis to raise the pH, then re-mineralization for taste. The bottles are heavyweight BPA-free plastic that doesn't crinkle. Talking Rain partners with Waterboys.org to expand clean water access in underserved communities.
If you want the full package (high pH + electrolytes + minerals) and don't mind ionized over naturally sourced, AQA delivers. Check current prices of Talking Rain AQA Water.
5. Icelandic Glacial Natural Spring Water
pH: 8.4 | Source: Olfus Spring, Iceland | Rating: 4.5/5
Icelandic Glacial is natural spring alkaline water from the Olfus Spring in Iceland, fed by volcanic filtration. The pH of 8.4 is moderate, but the water is exceptionally clean. Low mineral content gives it a light, almost silky taste.
Available in both plastic and aluminum containers. The aluminum option has no metallic taste (food-grade lining). Icelandic Glacial is certified carbon neutral, which is a legitimate claim backed by their volcanic energy source. You can find it at Whole Foods Market and most natural grocery stores.
Best for people who want naturally alkaline water with a subtle, clean taste. Check current prices of Icelandic Glacial Spring Water.
Honorable Mention: Smartwater Alkaline
pH: 9+ | Source: Vapor-distilled (ionized) | Rating: 4/5
Smartwater Alkaline is the mass-market entry. Vapor-distilled ionized alkaline water with added electrolytes (calcium, magnesium, potassium). The pH sits at 9+. The taste is neutral and familiar.
The bottle is 100% recycled PET. You can grab it at any gas station, Target, or Walmart. It's not the most interesting alkaline water on this list, but it's the most accessible. If you're traveling and want alkaline water without hunting for a specialty brand, Smartwater Alkaline is everywhere. Check current prices of Smartwater Alkaline.
Alkaline Water Comparison Table
| Brand | pH | Source Type | Electrolytes | Recyclable | Best For |
|---|---|---|---|---|---|
| Essentia | 9.5+ | Ionized | Yes | Yes | Everyday drinking, beginners |
| Waiakea | 8.2 | Natural volcanic | Natural minerals | 100% rPET | Eco-conscious buyers |
| Evamor | 8.8-9.1 | Natural artesian | Natural minerals | BPA-free PET | Highest natural pH |
| Talking Rain AQA | 9.5+ | Ionized + remineralized | Yes | BPA-free | Athletes, high-performance |
| Icelandic Glacial | 8.4 | Natural spring | Low mineral | Carbon neutral | Clean taste, premium feel |
| Smartwater Alkaline | 9+ | Vapor-distilled | Yes | 100% recycled PET | Convenience, availability |
How to Make Alkaline Water at Home
Buying bottled alkaline water gets expensive. A case of Essentia runs $20-30. If you drink it daily, that adds up fast. Here are five ways to make your own alkaline water at home for a fraction of the cost.
Himalayan Salt
Add a pinch of Himalayan pink salt to a glass of filtered water and stir. The minerals in the salt (84 trace minerals including calcium, magnesium, and potassium) raise the pH. Cheap and easy. Downside: slight salty taste. Use about 1/8 teaspoon per 8 oz glass.
Lemon
Sounds counterintuitive since lemons are acidic. But once metabolized, lemon water has an alkalizing effect on the body. Slice two lemons, remove seeds, drop them in a gallon of water, and let it sit overnight in the fridge. The result is mildly alkaline water with a clean citrus taste. Basically free.
Baking Soda
Half a teaspoon of baking soda in a gallon of water. Stir until dissolved. This raises the pH significantly (often above 8). The taste is slightly mineral. Add a lemon slice if you don't like it straight. This is the cheapest method by far, but not great for people watching sodium intake.
Alkaline pH Drops
Concentrated water drops that you add to any bottle of water. A few drops raise the pH to 9+. Follow the dosage instructions on the package. These are portable and work well for travel. More expensive per serving than baking soda, but more convenient and no taste impact.
Alkaline Water Filter Pitcher
A water pitcher with an alkaline filter sits on your counter and raises the pH of your tap water as you pour. Most use a multi-stage filtration system that removes contaminants and adds alkaline minerals. Replace the filter every 2-3 months. Good option if you want a constant supply of alkaline drinking water without measuring anything.
Water Ionizer Machine
A water machine (also called a water ionizer or ionizer) hooks up to your tap and uses electrolysis to split water into alkaline and acidic streams. The alkaline stream comes out at whatever pH you set (usually 8-10). These machines cost $500-$4,000 depending on quality. Expensive upfront, but the per-glass cost is pennies. Best for households that drink alkaline water daily.
For a deeper dive, read our full guide: Best Water Ionizers for 2026.
Things to Watch Out For
A few cautions before you go all-in on alkaline water.
Reverse osmosis strips minerals. If your alkaline water options start with RO-purified water, the minerals were removed and then added back artificially. That's not necessarily bad, but it's different from natural alkaline water where the minerals occur naturally. Read the label.
Too much alkalinity can backfire. Your stomach needs acid to digest food. Drinking extremely high pH water with every meal can interfere with digestion. Most doctors say moderate consumption (a few glasses a day) is fine. Don't replace all your regular water intake with pH 10 water.
Watch your mineral intake. Adding potassium bicarbonate or magnesium sulfate to change the pH of water at home is easy to overdo. Too much potassium can cause hyperkalemia. Too much magnesium can cause digestive issues. Stick to recommended amounts.
Not all brands are honest. We've tested bottles that claim pH 9.5 on the label and measured 7.8. The alkaline water market has minimal regulation. Stick to established water brands with third-party testing.
Should You Start Drinking Alkaline Water?
If you deal with acid reflux, the clinical evidence says yes, it's worth trying. A pH of 8.8+ deactivates pepsin. That's not marketing. That's a peer-reviewed finding.
If you're an athlete looking for better post-workout hydration, the electrolyte-enhanced alkaline water options on the market (Essentia, Talking Rain AQA) offer a measurable improvement over plain water.
If you're healthy and just want good water, alkaline water won't hurt you. But don't expect miracles. The potential health benefits beyond acid reflux and hydration are still unproven. Drink it because you like the taste and the mineral content, not because someone on TikTok said it cures cancer.
For businesses looking to offer alkaline bottled water to customers or employees, we make it easy. CustomWater.com provides private label alkaline water with your branding, starting at 72 bottles. Design your custom label free or request a quote.