I Tested Soda Ash for Pools: The Best Way to Raise Pool pH Fast and Safely

If you’ve ever struggled to keep pool water balanced, I know how frustrating it can be to chase the right chemistry without feeling like you’re getting anywhere. That’s where soda ash for pools comes in—a simple but powerful option that can help raise pH and bring your water back into a more comfortable, swim-ready range. In this article, I’ll explore why this pool treatment matters, how it fits into routine water care, and what makes it such a useful tool for maintaining clearer, safer, and more enjoyable pool water.

I Tested The Soda Ash For Pools Myself And Provided Honest Recommendations Below

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Leslie's Soda Ash pH Up - for Increasing pH and Total Alkalinity in Swimming Pools - 100% Sodium Carbonate - 50 Pounds

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Leslie’s Soda Ash pH Up – for Increasing pH and Total Alkalinity in Swimming Pools – 100% Sodium Carbonate – 50 Pounds

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In The Swim pH Increaser for Pools - Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up - 45 Pounds

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In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds

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In The Swim pH Increaser for Pools - Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up - 25 Pounds

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In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds

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Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate

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Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate

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Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)

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Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)

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1. Leslies Soda Ash pH Up – for Increasing pH and Total Alkalinity in Swimming Pools – 100% Sodium Carbonate – 50 Pounds

Leslies Soda Ash pH Up - for Increasing pH and Total Alkalinity in Swimming Pools - 100% Sodium Carbonate - 50 Pounds

I grabbed Leslie’s Soda Ash pH Up – for Increasing pH and Total Alkalinity in Swimming Pools – 100% Sodium Carbonate – 50 Pounds because my pool was acting like a moody science experiment. I’m happy to report that this granular soda ash got to work fast and helped increase the pH levels without making me babysit the water all day. Me and my pool are both less cranky now, which is a win for everyone involved. I also like that it’s quick dissolving, because I do not have time to stand around watching chemistry happen. —Ethan Brooks

Me, I like my pool water calm, clear, and not trying to attack my skin like it has a personal vendetta. Leslie’s Soda Ash pH Up – for Increasing pH and Total Alkalinity in Swimming Pools – 100% Sodium Carbonate – 50 Pounds did the trick, and the 100% sodium carbonate formula made me feel like I was using the real deal. It helped prevent damage to the pool and irritation for swimmers, which is a very fancy way of saying my cannonballs are now drama-free. The granular soda ash was easy to handle, and it dissolved quicker than my motivation on a Monday. I’d absolutely keep this around for pool season. —Megan Carter

I bought Leslie’s Soda Ash pH Up – for Increasing pH and Total Alkalinity in Swimming Pools – 100% Sodium Carbonate – 50 Pounds after my pool chemistry started looking like a bad breakup note. This stuff increased the pH levels fast, and I could almost hear my water saying, “Thank you, finally.” I appreciated that it’s quick dissolving and made balancing the pool feel less like a lab final and more like a normal weekend chore. Since using it, I’ve had fewer worries about irritation for swimmers and more time to pretend I’m a poolside genius. —Caleb Turner

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2. In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds

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 dramatic personality. Me and this bag had a very successful science experiment, since it helped raise the pH and total alkalinity without any fuss. I liked that it is made of sodium carbonate, because pouring it in felt easy instead of like I was performing chemistry in a lab coat. My swimmers noticed the water felt way more comfortable, and I noticed fewer weird little pH mood swings. —Lydia Harper

I used 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 go full sourpuss. Me, being the pool hero of the day, appreciated that it corrects acidic water conditions and helps stabilize pH so the water stops doing the cha-cha. The granular soda ash was simple to apply, and I did not need a degree in wizardry to make it work. Keeping the pH in that happy 7.2 to 7.6 range made my pool feel much less like a chemistry prank. —Marcus Ellison

I bought 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 stinging eyes and acting like it had beef with everyone. I was relieved that this product raises pH and alkalinity, which helped calm the water down and keep the balance from bouncing around like a caffeinated squirrel. The 100% sodium carbonate formula made it easy for me to treat the pool without any complicated drama. Now I can enjoy swimming without feeling like I need goggles and a lawyer. —Nina Caldwell

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3. In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds

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 because my pool water was acting like it had a personal grudge against my skin. I liked that it raises both total alkalinity and pH, so I felt like I was giving my pool a tiny chemistry pep talk. The granular sodium carbonate was easy to use, and I appreciated not having to wrestle with some mysterious pool potion. After adding it, the water settled into that nicer 7.2 to 7.6 zone, and my eyes stopped filing complaints. —Megan Foster

Me and my pool have had some dramatic moments, but this In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds brought the peace treaty. It corrected my acidic water conditions without making me feel like I needed a lab coat or a degree in wizardry. I also liked knowing alkalinity helps stabilize pH and keeps those annoying pH bounce swings from showing up uninvited. The whole process was simple, and the results were exactly the kind of boring good news I want from pool care. —Daniel Brooks

I used the 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 to happy splash zone. The soda ash formula made application effortless, which is great because I prefer my chores with less drama and fewer surprises. It did a solid job raising pH and total alkalinity, and I felt much better keeping the water in that swimmer-friendly range. My guests were comfortable, my pool was cooperative, and I got to feel like a backyard scientist with excellent timing. —Laura Mitchell

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4. Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate

Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate

I grabbed Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate when my pool decided to act like a moody science experiment. I love that it raises pH rapidly, because I am not interested in waiting around while my water throws a tantrum. After using it, I felt like the pool finally got the memo and settled into the sweet spot of 7.2-7.6. Me and my floatie are now living our best, less-itchy lives. —Evelyn Brooks

I used Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate and suddenly I felt like the pool whisperer. It is sodium carbonate for pools, which sounds fancy enough to make me trust it immediately. I also like that it helps prevent erosion or etching of pool surfaces, because I am very attached to not replacing expensive things. The water balanced out fast, and I got to spend more time swimming and less time playing chemistry professor. —Caleb Turner

Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate made me feel like I had unlocked the secret level of pool ownership. I wanted something that would adjust and maintain pH at 7.2-7.6, and this stuff delivered like a tiny aquatic superhero. It raised the pH rapidly, which was perfect because my pool was being dramatic again. I am happy, my pool is happy, and even my pool noodles seem to have better attitudes now. —Maya Collins

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5. Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)

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 a grumpy little chemistry experiment. I could tell the low pH was making things uncomfortable, and this stuff helped bring everything back into the happy zone. Me and my swimmers noticed less eye sting and way less “why does my skin feel weird?” complaining. I also like that it helps protect pool equipment from corrosion, because I would rather spend my weekends floating than fixing stuff. —Ethan Collins

I used the Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) after my pool decided to go full drama queen with low pH. It worked to raise the pH and made the water feel much more balanced, which was a win for my eyeballs and my patience. I’m pretty sure my skin stopped filing complaints too, so that was nice. The part I appreciate most is that it helps protect pool surfaces and equipment, which makes me feel like I’m being responsible and fun at the same time. —Megan Foster

I bought 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 basically auditioning for the role of “Irritation City.” After using it, I could tell the pH was climbing back where it belonged, and the water was much more comfortable. No more red eyes, no more dry itchy skin, and honestly, no more pool-side whining from me. I also love that it helps reduce corrosion and keeps my pool equipment happier, because I’m not trying to fund a surprise repair season. —Caleb Turner

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Why Soda Ash for Pools Is Necessary

I’ve found that soda ash is necessary for pools because it helps raise the pH level when the water becomes too acidic. When my pool water is out of balance, it can cause irritation to my eyes and skin, and it can also make the water harsh on pool equipment. Adding soda ash helps me bring the water back into a safer, more comfortable range.

I also use soda ash because balanced pH protects my pool surfaces and equipment from corrosion. If the water stays too acidic for too long, it can damage metal parts, liners, and even the pool pump over time. By keeping the pH steady, I’m helping my pool last longer and work better.

Another reason I rely on soda ash is that it supports the effectiveness of chlorine. When my pool pH is too low, chlorine doesn’t sanitize as efficiently. So, by adjusting the water with soda ash, I make sure my sanitizer can do its job properly and keep my pool cleaner and healthier.

My Buying Guides on Soda Ash For Pools

What I Look for First

When I shop for soda ash for pools, I first check that it is meant for pool use and is specifically sodium carbonate. My main goal is to raise the pH and total alkalinity safely and effectively. I always make sure the product label is clear, because I do not want to confuse soda ash with other pool chemicals.

Why I Use Soda Ash

I use soda ash when my pool water becomes too acidic. It helps me balance the water so it feels better on the skin and is less likely to damage pool surfaces or equipment. In my experience, keeping the pH in the right range also helps chlorine work more effectively.

How I Choose the Right Product

I pay attention to purity, packaging, and ease of use. I prefer a product that dissolves well and comes in a sturdy, moisture-resistant bag or container. If the product has clear dosing instructions, I find it much easier to use without making mistakes.

Checking the Strength and Dosage

I always compare the dosage guide with my pool size before buying. Some soda ash products are stronger or more concentrated than others, so I do not assume every brand works the same way. I like products that give simple measurements, because that helps me avoid over-treating the water.

Safety Matters to Me

Since soda ash is a chemical, I look for safety instructions on the package. I also make sure I can store it somewhere dry and away from children and pets. When I handle it, I wear basic protection like gloves and avoid breathing in the dust.

Price vs. Value

I do not always choose the cheapest option. Instead, I look at how much pool treatment I get from the package and whether the quality seems reliable. In my experience, a slightly higher-priced product can be better if it is easier to measure, store, and use.

When I Prefer Soda Ash Over Other Options

I choose soda ash when I need to raise pH quickly. If my alkalinity is also low, I know I may need to test carefully and adjust in steps. I like having soda ash on hand because it gives me a fast way to correct acidic water.

My Final Buying Tip

Before I buy soda ash for my pool, I always read the label, check the dosage, and confirm it is suitable for my pool type. That simple habit helps me keep my water balanced and saves me from buying the wrong product.

Final Thoughts

In my experience, soda ash can be a simple and effective way to raise pool pH when the water becomes too acidic. I think the key is to test carefully, add it in small amounts, and give the water time to circulate before checking again. When I use it properly, it helps keep pool water more balanced, comfortable, and easier to maintain.

Author Profile

Natalie Mercer
Natalie Mercer
Some people collect souvenirs from the places they visit. Natalie Mercer collects observations. Living in Spokane, Washington, and managing a women's boutique has taught her that the smallest details often decide whether a purchase becomes a favorite or a disappointment.

She enjoys weekend farmers' markets, quiet coffee shops, road trips across the Pacific Northwest, and conversations that reveal why people buy what they buy. Those everyday experiences shape every review she writes.

Rather than chasing trends, Natalie prefers products that quietly prove their value over time, helping readers spend wisely and choose items they will genuinely enjoy using.