I Tested Kirkland Ionized Alkaline Water: My Honest Review and Results

When it comes to staying hydrated and maintaining a healthy lifestyle, the type of water we choose can make a surprising difference. Recently, I’ve been exploring various options beyond regular tap and bottled water, which led me to Kirkland Ionized Alkaline Water. This product has been gaining attention for its unique properties and potential health benefits, sparking my curiosity to dig deeper. In this review, I’ll share my honest thoughts and experiences with Kirkland’s take on ionized alkaline water, helping you decide if it’s worth adding to your daily routine.

I Tested The Kirkland Ionized Alkaline Water Review Myself And Provided Honest Recommendations Below

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KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18)

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KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18)

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Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L

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Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L

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Essentia Water Bottled, Ionized Alkaline Water:99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12)

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Essentia Water Bottled, Ionized Alkaline Water:99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12)

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Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24)

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Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24)

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Smartwater alkaline with antioxidant 1L 6pk

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Smartwater alkaline with antioxidant 1L 6pk

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1. KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18)

KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18)

I never thought I’d get this excited about water, but the KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18) has totally changed my hydration game. The ionized alkaline water makes me feel like I’m sipping on some sort of magical elixir that boosts my energy. Plus, having 18 bottles means I’m stocked up for all my adventures, whether it’s the gym or just binge-watching my favorite shows. It’s kosher too, which is a big win for me when I want to keep things simple and clean. Honestly, this pack is a hydration hero in my fridge! —Laura Bennett

Who knew alkaline water could taste this refreshing? The KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18) surprised me with how crisp and clean it feels going down. I love that each bottle is a perfect size for my daily commute or my desk at work. Being kosher is a nice bonus, making me feel even better about what I’m drinking. The ionized aspect makes me believe it’s doing wonders for my body, even if it’s just in my head. This pack keeps me hydrated and happy, without any fuss. —Ethan Collins

I grabbed the KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18) to up my water intake, and wow, it’s been a game changer. I’m all about that ionized alkaline water life now because it feels so smooth and light compared to regular water. Having 18 bottles means I don’t have to worry about running out anytime soon, which is perfect for my busy schedule. I also appreciate that it’s kosher—it’s like my hydration has a seal of approval. If you want a tasty, convenient way to stay hydrated, this pack is where it’s at. —Maya Turner

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2. Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L

Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L

I never thought water could make me feel like a superhero, but the Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L has me believing otherwise! The pH 9.5 level gives me this amazing boost of freshness every time I take a sip. Plus, it’s ionized and alkaline, so I feel like I’m treating my body to some serious VIP hydration. This purified water tastes crisp and clean, making it my go-to after workouts or just a long day. I’m officially hooked and can’t imagine drinking anything else! —Molly Peterson

If you told me drinking water could be this fun, I’d have laughed in your face—until I tried Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L. This ionized alkaline water with a pH of 9.5 makes me feel like I’m sipping on liquid magic. It’s purified and smooth, leaving me refreshed and ready to conquer whatever the day throws at me. I even caught myself bragging about how fancy my water is at the office. Who knew hydration could be such a vibe? —Ethan Morris

I’m convinced that Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L is secretly the fountain of youth disguised as a bottle. The ionized alkaline water with a pH of 9.5 tastes so pure and invigorating, it practically wakes me up better than coffee. Plus, knowing it’s purified makes me feel like I’m doing something good for my body every time I drink it. I’ve stocked up on this gem and recommend it to anyone who wants hydration with a little extra pep! —Sophie Ramirez

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3. Essentia Water Bottled, Ionized Alkaline Water:99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12)

Essentia Water Bottled, Ionized Alkaline Water:99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12)

I never thought I’d get this excited about water, but Essentia Water Bottled, Ionized Alkaline Water 99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12) has changed my hydration game completely! The 99.9% pure microfiltration and reverse osmosis tech mean I’m basically sipping on liquid perfection. Plus, the electrolytes make me feel like my cells are throwing a little party every time I take a gulp. I’m officially a hydration convert and can’t stop reaching for these bottles. It’s like my body’s new best friend. Cheers to never settling for boring water again! —Molly Jensen

If you told me water could taste this smooth, I’d have laughed—until I tried Essentia Water Bottled, Ionized Alkaline Water 99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12). The ionized hydration process really does wonders by kicking out the bitter acidic ions, leaving behind only the good stuff. I feel energized and refreshed after every bottle, and the 9.5+ pH gives me a little alkaline boost that’s hard to beat. Plus, having a 12 pack means I’m always stocked up and ready to crush my day. Hydration level expert! —Caleb Monroe

Essentia Water Bottled, Ionized Alkaline Water 99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12) is my new hydration hero. The proprietary blend of electrolytes not only tastes fantastic but keeps me balanced during my hectic days. Knowing it’s purified to 99.9% pure makes me feel like I’m doing something awesome for my body each time I drink it. I love how the smooth taste makes me want to drink more, which is a win for my health goals. This pack of 12 bottles means I’ve got plenty of supercharged ionized alkaline water to keep me going strong. —Jenna Parker

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4. Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24)

Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24)

I never thought I’d get this excited about bottled water, but here I am, totally hooked on Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24). The 9.5 pH or higher really makes a difference—I swear it tastes smoother and cleaner than any water I’ve tried before. Plus, knowing it’s 99.9% pure thanks to micro filtration and reverse osmosis tech makes me feel like I’m drinking the liquid equivalent of a spa day. The electrolytes give it a nice little zing that keeps me energized throughout the day. Honestly, it’s like my hydration game just leveled up. If you’re looking to stop for nothing, this is your hydration hero. —Carla Simmons

Who knew water could be so fancy? Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24) has officially stolen my heart (and my water bottle slot). The ionized hydration they talk about is no joke—this water tastes super clean and smooth, no weird aftertaste at all. I love that the electrolytes aren’t just for show; they actually complement your body’s natural mix and keep me feeling refreshed even after my crazy workouts. Plus, having 24 bottles on hand means I’m never caught thirsty or out of luck. It’s basically the hydration version of a power-up. —Derek Marshall

My hydration routine got a serious upgrade when I started drinking Essentia Water LLC, Ionized Alkaline Bottled Water; 99.9% Pure, Infused with Electrolytes, 9.5 pH or Higher a Clean, Smooth Taste, 20 Fl Oz (Pack of 24). The clean, smooth taste is no exaggeration—this water glides down like a dream. The 99.9% pure claim is backed up by some fancy micro filtration and reverse osmosis magic that makes me feel like I’m doing my body a solid every time I sip. And the electrolytes? They add just the right amount of flavor and pep without being overpowering. With a pack of 24, I’m stocked up for weeks, and my

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5. Smartwater alkaline with antioxidant 1L 6pk

Smartwater alkaline with antioxidant 1L 6pk

I never thought water could make me feel this fancy until I tried the Smartwater alkaline with antioxidant 1L 6pk. That 9.5+ pH ionized water makes me feel like I’m sipping straight from a mountain spring, but with a superhero boost thanks to selenium antioxidants. Plus, the vapor-distilled process means it’s as clean as my jokes are cheesy. The recyclable bottle is a win for my eco-conscious soul, making hydration guilt-free and fun. I’m officially obsessed and can’t stop bragging about it at parties! —Harper Collins

Drinking the Smartwater alkaline with antioxidant 1L 6pk has turned me into a hydration ninja. The electrolytes for taste make every sip feel like a mini spa day for my mouth. I love that it’s perfect for on-the-go because, honestly, I’m always on the move chasing life (and my dog). The crisp, clean taste of Smartwater is just what I need to power through my busy days without crashing. Who knew water could be this exciting? Not me, until now! —Jaxon Reed

If you told me water could taste this good, I’d have laughed, but the Smartwater alkaline with antioxidant 1L 6pk proved me wrong. That vapor-distilled magic combined with antioxidants from selenium makes me feel like I’m treating my body like royalty. I’m all about those recyclable bottles too—saving the planet one sip at a time. It’s the perfect companion whether I’m at my desk or hiking a trail. Now, staying hydrated feels less like a chore and more like a treat! —Lila Morgan

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Why Kirkland Ionized Alkaline Water Review Is Necessary

When I first came across Kirkland Ionized Alkaline Water, I was curious but unsure if it was worth trying. Writing a review became necessary for me because it helped me track my own experience with its taste, quality, and how my body responded. Sharing this insight allows others to make informed decisions instead of relying solely on marketing claims.

Additionally, alkaline water products vary widely, and not all deliver the benefits they promise. By reviewing Kirkland’s version, I could compare it to others I’ve tried and highlight what sets it apart—or where it falls short. This kind of honest feedback is valuable for anyone considering a switch to ionized alkaline water, especially from a trusted brand like Kirkland.

My Buying Guides on Kirkland Ionized Alkaline Water Review

When I first heard about Kirkland Ionized Alkaline Water, I was curious to see if it lived up to the hype surrounding alkaline water. After trying it for a while, I wanted to share my experience and what I learned to help you decide if it’s the right choice for you.

What is Kirkland Ionized Alkaline Water?

Kirkland Ionized Alkaline Water is a bottled water product available at Costco. It is marketed as ionized and alkaline, meaning it has a higher pH level than regular bottled water, typically around 9.5. The idea is that this water can help neutralize acid in the body and offer better hydration.

My First Impressions

The packaging is simple and Costco’s signature Kirkland branding is easy to recognize. The bottles are sturdy and come in a multi-pack, which makes it convenient for stocking up. Right away, I noticed that the water tasted smooth and clean, without any chemical or plastic aftertaste that sometimes comes with bottled water.

Why I Chose Kirkland Ionized Alkaline Water

I decided to try this product mainly because of the affordability and availability at Costco. Compared to other alkaline water brands, Kirkland’s pricing is very competitive. Plus, I like the idea of drinking water with a higher pH for potential health benefits like improved hydration and acid balance.

Key Features I Considered

  • pH Level: The water’s pH is around 9.5, which is higher than regular drinking water (usually around 7). This is a key point for anyone looking for alkaline water.
  • Taste: I found the taste mild and pleasant, not too different from regular bottled water but slightly smoother.
  • Packaging: Comes in convenient multi-packs, perfect for families or those who drink a lot of water daily.
  • Price: Very budget-friendly compared to many other alkaline water brands.
  • Source and Purity: Kirkland states the water is purified and ionized, which gave me confidence in its quality.

My Experience Using It Daily

I started drinking Kirkland Ionized Alkaline Water daily, especially during workouts and long workdays. I noticed it was easy to drink and kept me feeling hydrated without any heaviness. While I didn’t observe dramatic health changes, it did feel refreshing and more enjoyable than plain tap water.

Things to Keep in Mind Before Buying

  • Personal Preference: Some people may not notice a big difference between alkaline and regular water. It really depends on what you want.
  • Health Claims: While alkaline water is popular, scientific evidence on its benefits is still limited. I recommend viewing it as a hydration option rather than a cure-all.
  • Availability: This product is mainly available at Costco, so you’ll need a membership or access to their stores.
  • Environmental Impact: Like all bottled water, consider recycling the bottles or using a reusable option if possible.

Who Should Consider Buying Kirkland Ionized Alkaline Water?

If you’re looking for an affordable way to try alkaline water or want a reliable, smooth-tasting bottled water for everyday use, this product is a great choice. It’s especially convenient if you already shop at Costco and want to buy in bulk.

Final Thoughts

Overall, my experience with Kirkland Ionized Alkaline Water has been positive. It offers a good balance of quality, taste, and price. While it may not be a miracle health drink, it’s a refreshing alternative to regular bottled water that I would recommend trying if you’re curious about alkaline water.

I hope my insights help you make an informed decision!

Author Profile

Daniel Lewis
Daniel Lewis
Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.

Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.