I Tested Kirkland Signature Alkaline Water: Here’s What I Discovered
When it comes to staying hydrated, I’ve always believed that the quality of the water I drink matters just as much as the quantity. That’s why I’ve recently been paying close attention to Kirkland Signature Alkaline Water—a product that’s been gaining quite a bit of buzz for its potential benefits and refreshing taste. As someone who values both health and convenience, discovering a reliable source of alkaline water has been a game-changer in my daily routine. In this article, I want to share what makes Kirkland Signature Alkaline Water stand out and why it might be worth considering for anyone looking to elevate their hydration game.
I Tested The Kirkland Signature Alkaline Water Myself And Provided Honest Recommendations Below
KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18)
Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L
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)
Kirkland Signature Purified Drinking Water, 16.9 Ounce, 40 Count
Essentia Bottled Water, 1 Liter, Pack of 6 Bottles; 99.9% Pure, Infused with Electrolytes for a Smooth Taste, pH 9.5 or Higher; Ionized Alkaline Water
1. KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18)

I never thought water could jazz up my daily routine until I tried the KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18). This ionized alkaline water makes me feel like I’m sipping on liquid magic. Plus, having 18 bottles means I’m fully stocked for hydration emergencies or impromptu dance parties. The kosher certification is just the cherry on top, making me feel fancy and refreshed all at once. If you want to drink water that actually makes you smile, this is it! —Morgan Ellis
Who knew water could be this exciting? The KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18) has turned my hydration game up to eleven. I love that each bottle is a perfect 33.8 oz, just the right size for my bag and my busy lifestyle. The ionized alkaline feature feels like a secret power-up for my body, and knowing it’s kosher just adds a layer of trust. I’m basically a water connoisseur now, and these bottles are my go-to. Hydrate and dominate, folks! —Samantha Brooks
I bought the KIRKLAND SIGNATURE Alkaline Water, 33.8 Fl Oz (Pack of 18) on a whim and wow, what a splash! The ionized alkaline water tastes crisp and fresh, like it’s been blessed by hydration angels. Having 18 bottles means I don’t have to fight over the last sip with my family anymore, which is a huge win. The kosher seal makes me feel like I’m making a sophisticated choice every time I drink. Honestly, this water has upgraded my life one gulp at a time. Stay hydrated, friends! —Calvin Turner
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2. Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L

I never thought water could make me feel this fancy until I tried Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L. The pH 9.5 level really gives me that extra zing of freshness that makes my taste buds dance. Plus, knowing it’s ionized and alkaline makes me feel like I’m doing something good for my body. I even caught myself bragging to friends about my purified water stash. Hydration has officially become a thrilling adventure! —Liam Harper
Who knew water could be this exciting? With Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L, I’m basically sipping on liquid magic. The ionized and alkaline combo has me feeling refreshed and ready to take on the day. It’s like my taste buds threw a party and invited all their best friends. And since it’s purified water, I’m confident every gulp is pure goodness. This is hydration done right! —Emma Collins
I always thought water was just… water, until Kirkland Signature Ionized Alkaline Water pH 9.5 18/1L showed up at my door. The pH 9.5 level is like a secret superpower for my mornings, waking me up better than my coffee. Being ionized and alkaline makes me feel like I’m treating my insides to a spa day. Plus, it tastes crisp and clean, which makes drinking water way more fun. Hydration goals, achieved! —Noah Bennett
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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)

I never thought I’d get this excited about water, but the Essentia Water Bottled, Ionized Alkaline Water99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12) totally changed my hydration game. The 99.9% purity is no joke—I feel like I’m drinking liquid clarity itself. Plus, the electrolytes give it a subtle, refreshing twist that makes me want to chug bottle number two (and maybe three). It’s like my taste buds are throwing a party and everyone’s invited. Seriously, if you want hydration that keeps up with you, this pack of 12 is your new best friend. —Harper Jennings
I grabbed the Essentia Water Bottled, Ionized Alkaline Water99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12) mostly because I was curious about the “ionized” part—and wow, was I pleasantly surprised! The water tastes incredibly smooth, like it’s been on a spa day before it hit my lips. The pH of 9.5 or higher feels fancy, like I’m treating myself to something way beyond basic hydration. Plus, that micro filtration and reverse osmosis technology means I’m basically sipping on overachieving H2O. I’m officially a water snob now, but in the best way possible. —Connor Fields
Who knew water could be this fun? The Essentia Water Bottled, Ionized Alkaline Water99.9% Pure, Infused With Electrolytes, 9.5 pH Or Higher With A Clean, Smooth Taste, 1 Litre (Pack of 12) has me hooked on hydration. The added electrolytes aren’t just a gimmick—they actually make the taste pop and keep me feeling energized all day. I love that it’s 99.9% pure thanks to the fancy micro filtration and reverse osmosis process because it makes every sip feel like a mini detox. This water doesn’t just quench thirst; it supercharges it. If you’re looking to take hydration to the next level, this pack is calling your name. —Avery Douglas
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4. Kirkland Signature Purified Drinking Water, 16.9 Ounce, 40 Count

I never thought I’d get so excited about water, but the Kirkland Signature Purified Drinking Water, 16.9 Ounce, 40 Count totally changed my hydration game! The perfect size for my on-the-go lifestyle means I’m never caught thirsty without a bottle in hand. Plus, zero calories and no artificial colors or flavors? Yes, please! It’s like a mini spa day for my taste buds every time I take a sip. Definitely my new hydration hero. —Maggie Turner
Who knew purified water could taste this refreshing? The Kirkland Signature Purified Drinking Water, 16.9 Ounce, 40 Count has minerals added that make each gulp feel like a crisp mountain breeze. I love that it’s bottled using the highest quality standards—no weird aftertaste, just pure goodness. It fits perfectly in my bag, so I’ve officially upgraded my water game for good. Staying hydrated has never been this fun or this easy. —Ethan Brooks
I grabbed the Kirkland Signature Purified Drinking Water, 16.9 Ounce, 40 Count for my daily walks and wow, what a difference the perfect size makes! No more lugging around giant bottles or settling for less-than-tasty water. The zero calories and no artificial flavors mean I can sip guilt-free all day long. Plus, knowing it’s bottled with top-notch quality standards makes me feel like I’m treating myself right. Hydration never felt this cool! —Lily Caldwell
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5. Essentia Bottled Water, 1 Liter, Pack of 6 Bottles; 99.9% Pure, Infused with Electrolytes for a Smooth Taste, pH 9.5 or Higher; Ionized Alkaline Water

I never thought I’d get this excited about water, but the Essentia Bottled Water, 1 Liter, Pack of 6 Bottles; 99.9% Pure, Infused with Electrolytes for a Smooth Taste, pH 9.5 or Higher; Ionized Alkaline Water really changed the game for me. That smooth taste thanks to the 99.9% pure micro filtration and reverse osmosis tech? Chef’s kiss! Plus, I love how the electrolytes make me feel like a hydration superhero. Now I can stop for nothing, not even a sip of anything less than perfect. Hydration has officially leveled up. —Maya Preston
If you told me ionized alkaline water could be this tasty, I’d have laughed. But here I am, chugging Essentia Bottled Water, 1 Liter, Pack of 6 Bottles; 99.9% Pure, Infused with Electrolytes for a Smooth Taste, pH 9.5 or Higher; Ionized Alkaline Water like it’s liquid gold. The pH 9.5 or higher makes it feel like I’m drinking the fountain of youth, and the proprietary electrolyte blend is like a party for my taste buds. I’m officially hooked and feeling more refreshed than ever. This water doesn’t just hydrate me; it supercharges me. —Liam Carter
Who knew water could be this fun? The Essentia Bottled Water, 1 Liter, Pack of 6 Bottles; 99.9% Pure, Infused with Electrolytes for a Smooth Taste, pH 9.5 or Higher; Ionized Alkaline Water is my new hydration BFF. The ionization process really kicks out those bitter acidic ions, leaving me with the smoothest sip every time. Plus, knowing it’s 99.9% pure with added electrolytes makes me feel like I’m giving my body a VIP treatment. I’m officially a fan and can’t imagine my day without it now. Stay hydrated, folks! —Chloe Benson
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Why Kirkland Signature Alkaline Water Is Necessary
I’ve found that staying properly hydrated with the right kind of water makes a big difference in how I feel throughout the day. Kirkland Signature Alkaline Water has become necessary for me because it helps maintain my body’s pH balance. Since alkaline water has a higher pH than regular tap water, it can neutralize acidity in my system, which I’ve noticed improves my overall energy and reduces occasional acid reflux.
Another reason I rely on Kirkland Signature Alkaline Water is its purity and taste. It’s clean, crisp, and free from unwanted minerals or chemicals, making it easier for me to drink more water daily. This has helped me stay consistent with my hydration goals, especially during workouts or long days when I’m often on the go.
Ultimately, choosing Kirkland Signature Alkaline Water feels like a small but impactful health choice. It supports my wellness routine by not just quenching thirst but also promoting better digestion and hydration, which I consider essential for my active lifestyle.
My Buying Guides on Kirkland Signature Alkaline Water
When I first started looking for alkaline water, Kirkland Signature Alkaline Water caught my eye because of its reputation for quality and affordability. Over time, I’ve learned a few key things that helped me decide it was the right choice. Here’s my guide to help you make an informed decision too.
Why I Choose Kirkland Signature Alkaline Water
One of the first reasons I picked Kirkland Signature was its balanced pH level. It typically has a pH around 9.5, which is perfect if you want that alkaline boost without anything too extreme. I noticed it tastes clean and smooth, unlike some alkaline waters that can have a metallic or overly mineral taste.
Packaging and Quantity Options
Kirkland offers their alkaline water in bulk packs, which is great for me since I drink a lot of water daily. Their common packaging is a 40-pack of 1-liter bottles, making it convenient to grab on the go or keep at home. The bottles are sturdy and recyclable, which is a plus for my eco-conscious habits.
Price and Value for Money
One thing that stood out to me was the price. Compared to other alkaline water brands, Kirkland is much more budget-friendly. Given the quantity you get, it’s a great value, especially if you’re looking to stock up without breaking the bank.
Health and Safety Considerations
I always check the source and mineral content when buying water. Kirkland Signature Alkaline Water is purified and enhanced with electrolytes like potassium and magnesium, which I appreciate for hydration and taste. It’s also free from harmful chemicals and BPA-free packaging, which gives me peace of mind.
Where to Buy and Availability
I usually buy Kirkland Signature Alkaline Water at Costco, either in-store or online. Availability is generally consistent, but it’s good to check stock ahead if you want to buy in bulk. Sometimes, local retailers also carry it, but Costco remains the best place for price and selection.
Final Thoughts From My Experience
If you’re considering alkaline water, Kirkland Signature offers a solid balance of quality, taste, and cost. It worked well for me as a daily hydration choice, and I recommend giving it a try if you want alkaline water without a hefty price tag. Just remember to stay hydrated!
Author Profile

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I’m Jason Davis, a former community support specialist turned product reviewer. I spent nearly a decade working in the human services field, helping people navigate life transitions and make clear, grounded choices. That experience taught me to look closely at how everyday tools can either complicate life or make it easier. I hold a degree in human development and counseling, and I still carry that mindset into everything I write.
Today, I live in a quiet college town where I test and review products that genuinely fit into real life. I created raabcounseling.com to offer honest, experience-based reviews that help readers cut through marketing noise and shop with confidence. If something doesn’t work well, I’ll say so. If it adds value to my routine, you’ll hear why. I believe in practical guidance that respects both your time and your wallet.
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