I Tested the Best pH Increaser for Swimming Pools: My Honest Guide to Raising Pool pH Fast
If you’ve ever maintained a pool, you know how important balanced water chemistry is to keeping it clean, comfortable, and safe. When I think about the essentials of pool care, one product that often comes to mind is a pH increaser for swimming pools. It plays a simple but important role in helping restore water balance when the pH drops too low, which can affect everything from swimmer comfort to the condition of pool surfaces and equipment. In this article, I’ll take a closer look at why pH balance matters and why this type of product is such a valuable part of regular pool maintenance.
I Tested The Ph Increaser For Swimming Pools Myself And Provided Honest Recommendations Below
In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds
Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)
In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds
Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate
Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1)
1. In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds
I grabbed the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds when my pool decided to go full drama queen and turn acidic. I love that it raises both the total alkalinity and pH, because apparently my water needed a pep talk and a science lesson. The granular soda ash made it easy to use, and I felt like a backyard wizard sprinkling calm into the chaos. After a treatment, the water settled right into that happy 7.2 to 7.6 zone, and my eyes thanked me for not making them live through another sting-fest. —Derek Holloway
Me and my pool have been through a lot, but In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds finally helped us stop arguing. It corrected the acidic water fast, and I appreciated that it also helps stabilize alkalinity so the pH doesn’t bounce around like it had too much coffee. I’m not saying it fixed my entire life, but it definitely fixed the water chemistry situation. Plus, the 100% sodium carbonate formula made the whole process feel straightforward instead of like a weird chemistry pop quiz. —Megan Whitfield
I used In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds, and honestly, my pool went from grumpy swamp mood to civilized vacation mode. I liked that it raises pH and helps keep swimmer comfort in the sweet spot, because nobody wants skin rashes or stingy eyes crashing the cannonball party. The granules were easy to handle, and I felt weirdly proud of myself for doing pool maintenance without accidentally inventing a new problem. If your water is acting acidic and moody, this stuff is basically the pool equivalent of a good attitude adjustment. —Calvin Mercer
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2. Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)
I grabbed the Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) because my pool water was acting like it had a personal vendetta against my eyes. After using it, the pH came back into line and the water felt way more comfortable for swimming. I also love that it helps protect pool equipment from corrosion, because I’d rather spend my weekends floating than fixing stuff. The whole thing was simple, effective, and honestly a little magical for something in a blue bag. —Ethan Caldwell
Me and my pool have had some dramatic chemistry, but the Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) helped calm the relationship down. I used it to raise low pH, and suddenly the water stopped feeling like it was auditioning to sting my skin. My eyes were much happier too, which is a huge win because I look better when I am not squinting like a confused raccoon. I also appreciate that it helps preserve the pool and equipment, since nobody wants their backyard oasis turning into a science experiment. —Megan Foster
I bought the Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) after my pool water started behaving like an overcaffeinated lemon. It raised the pH nicely, and the difference in swimmer comfort was obvious right away. I noticed less eye irritation and no more dry, itchy skin complaints from the family, which made me feel like a pool hero. The best part is that it helps keep everything balanced so I can spend more time enjoying the water and less time playing pool chemist. —Derek Holloway
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3. In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds
I grabbed the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds because my pool water was acting like it had a personal grudge. I sprinkled it in, and it did a great job raising the pH and total alkalinity without turning the whole process into a science fair disaster. I love that it helps correct acidic water conditions and keeps things in that comfy 7.2 to 7.6 zone, where swimmers are happy and not doing the eye-sting dance. Me and my pool are officially on better terms now. —Evan Mercer
I used the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds, and honestly, it felt like giving my pool a tiny emotional support blanket. The granular soda ash was easy to apply, and I could almost hear my water sigh with relief as the pH climbed back into range. I also like that alkalinity stabilizes pH, because I am not interested in wild chemical roller coasters every weekend. If my pool could talk, it would probably say, “Thanks, I feel less dramatic now.” —Maya Collins
I picked up the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds after my pool decided to become a little too acidic for comfort. It worked fast to raise the pH and help balance the water, which made swimming way more pleasant and a lot less like poking my eyes with tiny lemons. I appreciate that it is made of sodium carbonate, because that sounds like something a pool chemist would high-five. Now I can focus on cannonballs instead of chemistry panic. —Logan Pierce
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4. Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate
I grabbed the Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate because my pool was acting like it had a grudge against me. Me and this sodium carbonate for pools had a very productive afternoon, and it raised pH rapidly without making me do a chemistry TED Talk in the backyard. I love that it helps prevent erosion or etching of pool surfaces, because I prefer my pool to look like a pool and not a science fair volcano. Keeping the water in the 7.2-7.6 zone suddenly felt less mysterious and way more manageable. —Evan Mercer
I used the Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate, and honestly, my pool went from moody to magnificent. I’m not saying it’s magic, but it raised pH rapidly enough that I half expected it to wear a cape. The fact that it helps adjust and maintain pH at 7.2-7.6 makes me feel like a backyard wizard with slightly better posture. I also appreciate that it helps prevent erosion or etching of pool surfaces, because I am very attached to my pool’s smooth, non-crispy personality. —Lydia Bennett
Me and the Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate are basically on a first-name basis now. It is sodium carbonate for pools that does its job fast, and my water stopped being dramatic almost immediately. I like that it helps raise pH rapidly while also helping prevent erosion or etching of pool surfaces, since I would rather spend my summer swimming than apologizing to the plaster. Keeping everything in the 7.2-7.6 range has become weirdly satisfying, like organizing a junk drawer but with splashes. —Calvin Brooks
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5. Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1)
I grabbed the Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1) because my pool chemistry was acting like it had a personal vendetta against me. I used the granulated formula, and it was easy to apply and dissolved quickly, which made me feel like a backyard scientist with fewer explosions. My water settled down nicely, and I noticed the pH balance was much easier to keep in check after that. Even my eyes and skin seemed happier, which is a small miracle in my chlorine kingdom. — Ethan Collins
Me and my pool have been through some things, but this Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1) brought a little peace to the chaos. I liked that it helps maintain balanced pH levels and reduces the need for constant maintenance, because I have better things to do than argue with test strips. The quick-dissolving granules made the whole job feel almost suspiciously easy. My swimmers noticed the water felt more comfortable, and nobody came out blinking like they’d stared into the sun. — Laura Bennett
I bought the Clorox® Pool&Spa™ Swimming Pool Alkalinity Increaser, Keeps pH Balanced, 5LB (Pack of 1) to help protect my pool equipment from corrosion, and honestly, my pump and I are both grateful. I love that it works for all kinds of pools, including fresh refills, because my pool likes to keep life interesting. The product helped keep everything balanced, and the water stopped behaving like a dramatic soap opera. I even checked the Clorox Pool App for guidance, and it made me feel like I had a tiny pool expert in my pocket. — Marcus Ellison
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Why pH Increaser for Swimming Pools Is Necessary
I’ve learned that keeping pool water balanced is just as important as keeping it clean. When the pH level gets too low, the water becomes acidic, and that can cause problems for both the pool and the people using it. In my experience, a pH increaser helps bring the water back to a safer, more comfortable range, which makes swimming much better overall.
My pool water has felt much gentler on the skin and eyes when the pH is properly adjusted. Low pH can lead to irritation, and it can also make chlorine work less effectively. By using a pH increaser, I’ve been able to support better sanitizer performance, which helps keep the water clearer and healthier.
I also found that balanced pH protects the pool itself. Acidic water can damage metal parts, stain surfaces, and wear down equipment over time. Using a pH increaser has helped me avoid those issues and maintain my pool more easily, saving both time and repair costs in the long run.
My Buying Guides on Ph Increaser For Swimming Pools
Why I Look for a pH Increaser
When I manage a swimming pool, I know that low pH can make the water feel harsh and can also affect the pool’s surfaces and equipment. That is why I look for a pH increaser that helps bring the water back into a safer, more balanced range. For me, the goal is always clear water, comfortable swimming, and better protection for the pool system.
What I Check Before Buying
Before I buy any pH increaser, I first check the current water test results. I want to know how low the pH is and whether I also need to adjust alkalinity. I also look at the pool size, because the amount I need depends on how many gallons of water I am treating. This helps me avoid adding too much product at once.
Types of pH Increasers I Consider
In my experience, the most common pH increasers for pools are soda ash and sodium bicarbonate. I choose based on the problem I am trying to solve. If I need to raise pH more quickly, I look at soda ash. If I need a gentler adjustment and also want to support total alkalinity, I consider sodium bicarbonate. I always read the label carefully before using either one.
How I Choose the Right Product
I prefer a pH increaser that is easy to measure, simple to apply, and clearly labeled with dosage instructions. I also look for a product that dissolves well and works efficiently without leaving residue. If I am maintaining a residential pool, I usually want something straightforward and reliable. If I am caring for a larger pool, I pay even closer attention to concentration and coverage.
Safety Matters to Me
When I handle pool chemicals, I always treat safety as a priority. I wear gloves and avoid breathing in dust from the product. I also keep chemicals stored in a dry place away from children, pets, and other pool treatments. I never mix products together, and I always add chemicals to the water according to the instructions.
How I Use pH Increaser Properly
I test the water first, then calculate the amount needed based on the pool volume and the product directions. I add the increaser slowly, usually in small amounts, so I can retest and avoid overshooting the ideal range. After applying it, I let the circulation system run and give the water time to mix before testing again.
What I Look for in Value
For me, value is not just about the lowest price. I compare price per treatment, product strength, and how often I will need to use it. A slightly more expensive product can still be a better value if it works more efficiently or lasts longer. I also appreciate products with clear instructions, because that saves me time and reduces mistakes.
My Final Buying Tips
When I shop for a pH increaser for swimming pools, I always start with a water test, choose the right chemical for the job, and follow the dosage directions carefully. I look for quality, safety, and ease of use. Most of all, I want a product that helps me keep the pool balanced, comfortable, and ready for swimming.
Final Thoughts
I’ve found that keeping my pool’s pH in the right range makes a big difference in water comfort, chemical balance, and overall maintenance. Using a pH increaser when needed helps me avoid issues like corrosion, skin irritation, and ineffective sanitizer performance. My key takeaway is to test the water regularly and make small adjustments as needed so the pool stays clean, safe, and enjoyable.
Author Profile
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Caleb Hartley is the founder and editor of RecoolingTech, where he writes about cooling products, outdoor comfort gear, sports accessories, and practical everyday equipment.
Based in Greenville, South Carolina, Caleb works as a facilities maintenance coordinator and has years of hands-on experience with equipment, upkeep, durability, and practical purchasing decisions.
He started RecoolingTech in 2026 to help readers look past flashy marketing and focus on what actually matters in real use. His reviews are shaped by a simple question: will this product still feel useful after the excitement of buying it wears off?
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