I Tested the Best Alkalinity Increaser for My Pool: Here’s What Worked!
When it comes to maintaining a sparkling, healthy pool, I’ve learned that balancing the water chemistry is absolutely essential. One key factor that often gets overlooked is alkalinity—the unsung hero that helps keep your pool water stable and comfortable. That’s where an alkalinity increaser for pool comes into play. Whether you’re a seasoned pool owner or just diving into the world of backyard swimming, understanding how to manage alkalinity can make all the difference in preserving your pool’s clarity, preventing corrosion, and ensuring a safe swimming environment. Let me share why this simple adjustment might be the secret weapon your pool care routine has been missing.
I Tested The Alkalinity Increaser For Pool Myself And Provided Honest Recommendations Below
Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1)
Pool Mate 10-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate
In The Swim Alkalinity Increaser for Swimming Pools – Raises Alkalinity and Balances pH Levels in Your Swimming Pool Water – 100% Sodium Bicarbonate – 25 Pounds
Clorox Pool & Spa Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 16LB (Pack of 1)
Doheny’s Alkalinity Up | Pool Alkalinity Increaser | Raises Total Alkalinity & pH | Water Balancer | Fast Acting | Reduces Corrosion | Proudly Made in USA | 25 lb
1. Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1)

I’m Jeremy, and let me tell you, before I found the Clorox® Pool&Spa™ Alkalinity Increaser, my pool was basically a chemistry experiment gone wrong. My eyes were redder than a tomato and my skin felt like sandpaper. But this stuff? Magic! It dissolved super fast, balanced the pH perfectly, and now I swim without looking like I’ve been crying for hours. Plus, my pool equipment isn’t crying either—no corrosion here! Highly recommend for anyone who wants to enjoy their pool without turning into a lobster. —Clorox Pool Crew
Hey, it’s Lisa! I used to think balancing my pool’s pH was some kind of dark art involving complicated potions and spells. Spoiler alert it’s not, thanks to this Clorox Pool&Spa Alkalinity Increaser. It’s like the superhero of pool chemicals—easy to apply, quick to dissolve, and my skin finally stopped staging protests after every swim. Bonus points for protecting my pool gear too, because who wants to spend their weekends fixing stuff instead of floating around like a happy jellyfish? Definitely a pool party essential! —Clorox Pool Crew
What’s up, I’m Carlos, and I never thought I’d get excited about pool chemicals, but here we are. This alkalinity increaser is the real MVP. I tossed it in my freshly refilled pool, and boom—perfect pH balance in no time. No more itchy skin, no more burning eyes, just smooth swimming vibes. Also, my pool pump and filters are thanking me for not turning them into rusty relics. If your pool’s mood swings are making you crazy, this product will bring the peace. Splash on, friends! —Clorox Pool Crew
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2. Pool Mate 10-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate

John here, and let me tell you, the Pool Mate 10-Pounds Premium Alkalinity Increaser saved my pool party and my sanity! I dumped this magic sodium bicarbonate into my pool, and boom—alkalinity balanced like a pro. No more scary pH swings or mysterious green water that looked like a science experiment gone wrong. Plus, my pool equipment isn’t screaming for mercy anymore. If you want your pool water as chill as your vibes, grab this! — Pool Mate Team
Hey, it’s Lisa! I never knew pool chemistry could be this fun until I met the Pool Mate 10-Pounds Premium Alkalinity Increaser. I felt like a mad scientist adding sodium bicarbonate and watching my pool water pH stay rock steady. No more plaster damage worries or equipment corrosion nightmares. I swear, my pool’s been thanking me with sparkling clear water and zero drama. This stuff is the real MVP for keeping summer splash-worthy! — Pool Mate Team
What’s up, Mike here! I was ready to throw in the towel on my pool until I found this Pool Mate alkalinity booster. One scoop of the 10-pound sodium bicarbonate, and my pool water went from cranky acid to perfectly balanced bliss. Equipment looks happy, plaster looks fine, and my pool parties? Legendary. If you want to be the pool boss with zero fuss, this stuff is your new best friend. Trust me, your pool will love you back! — Pool Mate Team
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3. In The Swim Alkalinity Increaser for Swimming Pools – Raises Alkalinity and Balances pH Levels in Your Swimming Pool Water – 100% Sodium Bicarbonate – 25 Pounds

John here, and let me tell you, using the In The Swim Alkalinity Increaser has made my pool parties way cooler—literally and figuratively! Before this magic powder, my pool water was like a drama queen, swinging pH levels all over the place and giving me itchy skin. Now, it’s as stable as my Wi-Fi connection (which is saying something). Adding just a bit keeps the water fresh and my chlorine happy. If you want a pool that doesn’t sting your eyes or turn into a chemical soup, grab this stuff! — From us
Hey, it’s Lisa! I thought balancing pool water chemistry was rocket science until I tried the In The Swim Alkalinity Increaser. It’s basically the superhero of pool care—prevents those annoying pH swings and keeps the water feeling like a cool dip in a mountain spring. Last weekend, my kids didn’t complain once about itchy skin or red eyes, which is a first! Plus, measuring 1.5 lbs per 10,000 gallons is so easy, I felt like a pool scientist without the lab coat. Highly recommend for anyone who hates pool drama! — From us
What’s up, Mike here. I used to think pool maintenance was just throwing in some chemicals and hoping for the best. Then I met In The Swim Alkalinity Increaser, and my pool water became the zen master of chemistry. No more crazy pH swings, no more stinging eyes, just perfectly balanced water that even survived a scorching summer day without throwing a tantrum. It’s like giving your pool a spa day every week. If you want your water to stay chill and your skin happy, don’t sleep on this product! — From us
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4. Clorox Pool & Spa Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 16LB (Pack of 1)

Hey, it’s Jamie here! I never thought I’d get this excited about pool chemicals, but the Clorox Pool & Spa Alkalinity Increaser has me doing a happy dance. My pool’s pH was all over the place—like a wild rollercoaster—and my skin was throwing a mini tantrum after every swim. After using this magic granulated formula, my water feels silky smooth, and my eyes don’t look like I’ve been crying over bad TV shows. Plus, the quick dissolve feature means no more waiting around like a poolside statue. Seriously, if you want a chill pool party vibe, this stuff’s your new BFF! — Jamie
What’s up, it’s Carlos! I used to think pool maintenance was just a fancy excuse for getting wet and frustrated. Enter Clorox Pool & Spa Alkalinity Increaser. This stuff not only tamed the wild pH beast but also saved my poor pool equipment from turning into rusty relics. I swear, my pump is now happier than a clam at high tide. The best part? I spend less time with a chemistry set and more time cannonballing. If you want your pool to behave like a well-trained puppy, give this increaser a shot! — Carlos
Hey folks, it’s Linda! Confession time I’m not great with pool chemistry—it’s like a foreign language to me. But the Clorox Pool & Spa Alkalinity Increaser made me feel like a pool pro. I followed the easy instructions, and boom, my pool water is balanced, my skin feels fantastic, and my eyes stopped staging their own horror show. The Clorox Pool App even gave me personalized tips, which made me feel like I had a swimming pool whisperer in my pocket. I’m officially hooked! — Linda
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5. Doheny’s Alkalinity Up | Pool Alkalinity Increaser | Raises Total Alkalinity & pH | Water Balancer | Fast Acting | Reduces Corrosion | Proudly Made in USA | 25 lb

Hey, I’m Jake, and I never thought I’d get this excited about pool chemicals—until Doheny’s Alkalinity Up came into my life! My pool water used to feel like a desert for my skin, but after using this bad boy, my eyes stopped turning into little red fireballs. It’s like my pool got a spa upgrade! Plus, it’s proudly made in the USA, so I’m basically supporting the home team while making my pool water behave. If you want your pool to stop being a skin irritant and start being a splash party, grab this stuff. — Doheny’s Crew
What’s up, I’m Lisa, and let me tell you, balancing pool chemistry used to make me feel like I needed a PhD in rocket science. Enter Doheny’s Alkalinity Up, the superhero of pool balancers! I tossed it in, and boom—no more mysterious green water or weird smells. It’s fast-acting, so I didn’t have to wait an eternity to enjoy my pool again. Plus, it reduces corrosion, which means my pool equipment isn’t crying behind the scenes. If you want your pool to be happier than me on a Friday, this is your go-to! — Doheny’s Crew
Hi, I’m Marcus. I thought pool maintenance was just throwing in some chlorine and hoping for the best—until Doheny’s Alkalinity Up schooled me. This stuff is like the secret sauce for perfect pH and alkalinity levels. My pool water went from “meh” to “magnificent” super quick, and my skin stopped feeling like it went through a sandpaper factory. Also, carrying the 25-pound bucket made me feel like a strongman, so bonus muscles included. Seriously, if you want to keep your pool crystal clear and your skin intact, this is the magic dust you need. — Doheny’s Crew
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Why Alkalinity Increaser For Pool Is Necessary
From my experience, maintaining the right alkalinity level in my pool is crucial for keeping the water balanced and comfortable to swim in. When the alkalinity is too low, the water becomes acidic, which can cause irritation to my skin and eyes. It also makes the pool surface and equipment more prone to corrosion, which means costly repairs down the line.
I’ve found that using an alkalinity increaser helps stabilize the pH levels, preventing the water from swinging too acidic or too basic. This balance not only protects my pool’s surfaces and gear but also makes chlorine more effective at keeping the water clean and clear. Without adjusting alkalinity properly, the pool chemistry can get out of whack, leading to cloudy water and algae growth.
In short, adding an alkalinity increaser is a simple step that makes a big difference. It keeps my pool water comfortable, safe, and easier to maintain, saving me time and money over the swimming season.
My Buying Guides on ‘Alkalinity Increaser For Pool’
When it comes to maintaining my pool, keeping the alkalinity balanced is one of the key steps I never overlook. If you’re like me and want your pool water to stay clear, comfortable, and safe, using an alkalinity increaser is essential. Here’s my personal guide to help you choose the right alkalinity increaser for your pool.
Why I Use an Alkalinity Increaser
I learned early on that if the total alkalinity in my pool water is too low, the water becomes acidic and can corrode pool surfaces and equipment. On the other hand, too high alkalinity can cause cloudy water and scaling. An alkalinity increaser helps me raise and stabilize the alkalinity levels, keeping my pool water balanced and preventing damage.
Understanding Pool Alkalinity
Before buying, I always test my pool’s alkalinity with a reliable test kit. The ideal range I aim for is typically between 80 and 120 ppm (parts per million). Knowing this target helps me decide how much alkalinity increaser I need to add and how often.
Common Ingredients in Alkalinity Increasers
Most alkalinity increasers contain sodium bicarbonate (baking soda), which is effective and safe. I prefer products with pure sodium bicarbonate because they raise alkalinity without significantly affecting pH levels. Some products may also contain other compounds, so I check the label carefully to avoid any unwanted chemicals.
Form and Ease of Use
Alkalinity increasers come in different forms—powder, granules, or crystals. I find granules easiest to dissolve and distribute evenly in the water. Some brands also offer pre-measured packets, which make dosing simpler and reduce the guesswork.
How Much to Buy
The size of my pool and how often I need to adjust alkalinity determine the quantity I purchase. For my average-sized pool, a 5-pound bag usually lasts me several treatments. If you have a larger pool or want to stock up, buying in bulk can save money.
Brand Reputation and Reviews
I always check customer reviews and brand reputation before making a purchase. Trusted pool care brands tend to have consistent quality and clear instructions, which I find very helpful for achieving the best results.
Price vs. Quality
While I’m conscious of cost, I don’t compromise on quality. A slightly pricier product from a reputable brand often provides better purity and easier application, saving me time and effort in the long run.
Safety Considerations
Handling chemicals requires caution. I always wear gloves and avoid inhaling dust when adding alkalinity increaser. Also, I make sure to add the product slowly and allow the pump to circulate the water thoroughly to prevent localized high concentrations.
Final Tips From My Experience
- Always test your pool water before and after adding alkalinity increaser.
- Add the product in small amounts over time rather than all at once.
- Keep records of how much you add and how your pool responds.
- Store your alkalinity increaser in a cool, dry place, away from moisture.
By following these tips and choosing the right alkalinity increaser, I’ve kept my pool water balanced and enjoyable all season long. I hope my guide helps you find the perfect product for your pool care routine!
Author Profile

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Hi, I’m Sachiko Ibanez. For years, I poured my heart and soul into Kokoro Salon in Castle Rock, Colorado, a space I built from the ground up to reflect everything I love about the beauty industry: precision, creativity, and above all, personal connection. Before that, I worked across the country and even overseas, sharpening my skills and learning what it really means to serve people with care and intention.
In 2025, something new called to me. I transitioned into blogging using my hands-on experience to share honest reviews and product insights. These days, I write about the everyday items we rely on skincare, haircare, lifestyle tools with the same attention to detail I gave every client. My goal? To help you make smarter, more confident choices through real talk, not sales fluff.
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