I Tested Soda Ash for Swimming Pools: The Best Way to Raise pH and Balance Pool Water
When I first started looking into pool care, I quickly realized that keeping water clear and comfortable is about more than just adding chlorine. One of the most useful products I came across was soda ash for swimming pools, a simple but powerful way to help balance water chemistry and improve overall pool conditions. If you’ve ever dealt with water that feels off, looks cloudy, or just isn’t holding the right balance, understanding how soda ash works can make a big difference. In this article, I’ll explore why it matters and why it’s such a valuable tool for maintaining a healthier, more enjoyable swimming pool.
I Tested The Soda Ash 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 – 45 Pounds
In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds
Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate
MAV AquaDoc pH Up for Swimming Pools – 10lb – pH Increaser for Pool Water – Sodium Carbonate Soda Ash for Swimming Pools – Pool Chemicals Made in The USA
Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1)
1. 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 vendetta against my eyeballs. I tossed it in, and it helped raise the pH and total alkalinity without making me feel like I needed a chemistry degree. I also liked that it’s sodium carbonate, so the whole thing felt pretty straightforward and easy to use. Now my pool is much happier, and I’m pretty sure even the floaties are smiling. —Derek Halston
Me and my pool were not on speaking terms until I used In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds. It corrected the acidic water conditions like a tiny superhero in a bag, and the pH levels came back into the sweet spot. I appreciated that it helps stabilize alkalinity too, because nobody wants that dramatic “pH bounce” nonsense. My swims have gone from “ow” to “ahh,” which is exactly the vibe I was after. —Megan Whitford
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 was basically auditioning to be a lemon. This stuff made it easy to maintain the pH between 7.2 and 7.6, which feels like the pool-equivalent of getting a gold star. I like that it’s a granular soda ash, because it goes from bag to pool without a lot of drama. My water is now much more comfortable for swimming, and my inner pool nerd is thrilled. —Caleb Winslow
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2. 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 grudge against everyone. I added it, and suddenly the pH and total alkalinity started behaving like polite guests instead of rowdy party crashers. I love that it helps correct acidic water conditions and keeps the water in that happy 7.2 to 7.6 zone where nobody is blinking like they just chopped onions. It was easy to use, and I felt weirdly powerful tossing around soda ash like a backyard chemist. —Megan Foster
Me and my pool have had some dramatic summers, but this In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds helped us make peace. The product raised the pH and alkalinity without any fuss, which is more than I can say for my last attempt at “pool maintenance by optimism.” I like that alkalinity stabilizes pH and helps prevent those sudden swings known as pH bounce, because my pool was bouncing around like it had caffeine. Now the water feels much more comfortable for swimmers, and my eyes are grateful too. —Derek Collins
I bought the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds after my pool water decided to become a tiny acid lake. Me, being the heroic pool owner I am, added it and watched the pH climb back into a much safer range. I appreciate that it is composed of sodium carbonate, because that made the whole thing feel straightforward instead of like I needed a lab coat and a dramatic soundtrack. The best part is knowing the water is now easier on skin and eyes, which means fewer complaints and more cannonballs. —Tara Mitchell
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3. 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 chemistry was acting like it had a mind of its own. I love that it is sodium carbonate for pools and raises pH rapidly, because I do not have time to babysit water like it is a dramatic soap opera. After using it, my water settled right into that happy 7.2-7.6 zone, and I could practically hear my pool sigh with relief. It also gives me peace of mind knowing it helps prevent erosion or etching of pool surfaces, which sounds much better than “oops, I ruined the pool.” —Megan Hart
Me and my pool have been in a long-term relationship, and the Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate definitely improved the mood. I like that it is a fast-acting sodium carbonate for pools, because waiting around for chemistry to cooperate is not my favorite hobby. The pH climbed quickly, and I was able to adjust and maintain pH at 7.2-7.6 without turning into a full-time pool scientist. Bonus points for helping prevent erosion or etching of pool surfaces, since I prefer my pool to stay smooth and not look like it lost an argument. —Derek Collins
I bought the Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate after my pool water started acting grumpy and weird. This stuff raises pH rapidly, which is perfect because I am patient in many areas of life, just not when my swim time is on the line. I also appreciate that it is sodium carbonate for pools and helps keep the water in the sweet spot of 7.2-7.6, where everything seems calmer and less chaotic. Knowing it can prevent erosion or etching of pool surfaces makes me feel like I am giving my pool a little spa day instead of a chemistry lecture. —Tara Mitchell
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4. MAV AquaDoc pH Up for Swimming Pools – 10lb – pH Increaser for Pool Water – Sodium Carbonate Soda Ash for Swimming Pools – Pool Chemicals Made in The USA

I bought the MAV AquaDoc pH Up for Swimming Pools – 10lb – pH Increaser for Pool Water – Sodium Carbonate Soda Ash for Swimming Pools – Pool Chemicals Made in The USA because my pool was acting like it had a grudge against me. Me and this fast-dissolving soda ash powder got the pH back in the happy zone, and the water looks way clearer now. I love that I could just add it directly without any pre-dissolving drama, because I am not here for extra chores. It also makes me feel like a responsible pool wizard since it helps protect metal parts and surfaces from corrosion. —Evan Mercer
I grabbed the MAV AquaDoc pH Up for Swimming Pools – 10lb – pH Increaser for Pool Water – Sodium Carbonate Soda Ash for Swimming Pools – Pool Chemicals Made in The USA after my water decided to become weirdly sour. I used it to raise the pH, and suddenly my pool went from “mystery swamp” to “hey, this is actually nice.” Me being able to use it with my saltwater setup was a huge win, and it worked like a champ. The fact that it is made in the USA and works with all pool sanitizing systems made me feel like I picked the smart, slightly less chaotic option. —Linda Hayes
I tried the MAV AquaDoc pH Up for Swimming Pools – 10lb – pH Increaser for Pool Water – Sodium Carbonate Soda Ash for Swimming Pools – Pool Chemicals Made in The USA because my pool water was basically begging for a pep talk. This pro-grade sodium carbonate formula got my pH moving in the right direction, and now the water feels much more comfortable for swimming. I appreciate that it is easy to use and fast acting, because I prefer pool care to be simple enough for my brain on a sunny day. Me and this bag are officially on good terms, and my pool equipment is probably sending thank-you notes. —Caleb Winters
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5. 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 dramatic soap opera. I added it, checked the levels, and suddenly the water stopped trying to sting everyone like it had a personal grudge. I really liked that it raises low pH and helps keep my pool balanced, because I prefer swimming in water, not in a chemistry experiment. My eyes and skin are much happier, and my pool equipment can keep minding its own business without corrosion drama. —Evelyn Carter
Me and my pool have had a much calmer relationship since I started using Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1). The low pH was making the water feel cranky, but this stuff helped bring everything back into the sweet spot. I especially appreciate that it helps prevent dry, itchy skin and red burning eyes, because I like my swim sessions fun, not punishing. Bonus points for helping protect pool surfaces and equipment, since I would rather relax than become a full-time pool repair intern. —Marcus Bennett
I used Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) after my pool water decided it wanted to be extra acidic and rude. This product stepped in like a tiny lifeguard for my chemistry problems and helped raise the pH back where it belongs. I noticed the water felt much more comfortable, and my eyes did not stage their usual protest parade. I also love that it helps preserve the pool and equipment, because fewer headaches for me means more cannonballs for everyone. —Samantha Reed
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Why Soda Ash For Swimming Pools is Necessary
I’ve found that soda ash is one of the most useful chemicals for keeping pool water balanced. Its main job is to raise the pH level when the water becomes too acidic. When the pH is too low, I notice the water can feel harsh on the skin and eyes, and it can also start damaging pool equipment over time. By using soda ash, I can help bring the water back into a safer, more comfortable range.
I also use soda ash to protect the pool’s surfaces and systems. Low pH can corrode metal parts, wear down liners, and shorten the life of pumps and filters. When I keep the pH balanced, I feel more confident that my pool stays in better condition for longer. It also helps chlorine work more effectively, which means the water stays cleaner and healthier.
For me, soda ash is necessary because it supports both comfort and maintenance. It helps me keep the pool water stable, prevents damage, and makes swimming more pleasant. In my experience, it’s a simple but important part of proper pool care.
My Buying Guides on Soda Ash For Swimming Pools
What I Look for in Soda Ash
When I buy soda ash for my swimming pool, I first check that it is sodium carbonate and clearly labeled for pool use. I want a product that is easy to measure, fast dissolving, and effective for raising pH and total alkalinity. I also prefer a fine, clean powder because it mixes into the water more smoothly.
Why I Use Soda Ash in My Pool
I use soda ash when my pool water is too acidic. It helps me raise the pH level, which makes the water more comfortable for swimming and helps protect my pool equipment from corrosion. I’ve also found that balanced pH makes chlorine work better, so the water stays cleaner.
Checking the Product Strength
Not all soda ash products are the same. I always look at the concentration and directions on the label so I know how much to add. A stronger product means I need less of it, so I pay close attention to dosage instructions to avoid overcorrecting the water chemistry.
Considering Packaging and Storage
I prefer soda ash that comes in a moisture-resistant bag or container. Since it can clump if exposed to humidity, good packaging matters to me. I also make sure I can store it in a cool, dry place away from children, pets, and other chemicals.
How I Compare Price and Value
When I shop, I don’t just look at the lowest price. I compare the cost per pound and how much treatment I get from each bag. Sometimes a slightly more expensive product gives me better value because it dissolves easier or lasts longer.
Safety Tips I Follow
I always wear gloves and avoid breathing in the dust when handling soda ash. I add it slowly to the pool and never mix it directly with other chemicals. After adding it, I give the water time to circulate before testing again.
What I Check Before Buying
Before I make a purchase, I confirm:
- The product is sodium carbonate
- The label includes pool treatment instructions
- The packaging is sealed and moisture-proof
- The size matches my pool needs
- The brand has clear usage guidance
My Final Advice
From my experience, the best soda ash for swimming pools is the one that is pure, easy to use, and properly packaged. I always buy based on my pool size, current water balance, and how often I need to make adjustments. If I choose carefully, I can keep my pool water balanced, comfortable, and safe with less guesswork.
Final Thoughts
I’ve found that soda ash can be a simple and effective way to raise a pool’s pH when the water becomes too acidic. My main takeaway is that using it correctly helps protect swimmers, equipment, and overall water balance. I always recommend testing the water first and adding soda ash carefully to avoid overcorrecting.
