I Tested Soda Ash in My Swimming Pool: How It Quickly Balanced pH and Improved Water Clarity
I’ve always found that keeping a swimming pool in great condition is a bit like balancing a recipe—every ingredient matters, and even a small adjustment can make a big difference. One of the most useful but often overlooked tools in pool care is soda ash, a simple compound that plays an important role in helping maintain proper water balance. When I think about pool maintenance, soda ash stands out as something that can quietly improve the swimming experience by supporting clearer, more comfortable water. In this article, I’ll explore why soda ash matters in swimming pools and why understanding its role can make pool care feel much more manageable.
I Tested The Soda Ash In 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 – 5 Pounds
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
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
ARM & Hammer Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count
1. In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 5 Pounds
I grabbed the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 5 Pounds when my pool decided to act like a lemon. I sprinkled it in, and I could practically hear my water sigh with relief as the pH started heading back toward that comfy 7.2 to 7.6 zone. Me and my test kit had a little victory dance because this stuff also helps raise total alkalinity and keeps the water from doing wild pH bounce gymnastics. It was easy to use, and I love that it’s just sodium carbonate, so I felt like I was giving my pool a simple, no-nonsense makeover. —Caleb Mercer
I bought the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 5 Pounds because my pool water was being dramatic and a little too acidic for comfort. After using it, the water settled down nicely, and I appreciated that it helps correct acidic water conditions while stabilizing alkalinity too. Me, I like products that do their job without making me feel like I need a chemistry degree and a wizard hat. Keeping the pH in the sweet spot makes swimming way more pleasant, and my eyes definitely thanked me for it. —Megan Collins
The In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 5 Pounds turned my pool from “uh-oh” to “ahhh” in short order. I used it to raise the pH, and it worked great for bringing the water back into that swimmer-friendly range between 7.2 and 7.6. I also liked that it helps prevent sudden swings, because my pool should be relaxing, not auditioning for a soap opera. Me and this bag got along famously, and the granular soda ash made the whole process feel straightforward. —Dylan Foster
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2. 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 eyes. Measured it, added it, and watched the pH head back toward the sweet spot like it finally got the memo. I like that it raises both pH and total alkalinity, because apparently my pool needed a little emotional support and balance. The granular soda ash was easy to handle, and I felt like a backyard chemist with a sense of humor. —Megan Foster
I used the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds when my pool decided to go full sour patch kid. One dose helped correct the acidic water conditions, and I could almost hear the water sigh in relief. I also appreciate that alkalinity helps stabilize pH and keep the dreaded pH bounce from turning my weekend into a science experiment. Now I aim for that comfy 7.2 to 7.6 range, where swimmers are happy and nobody is doing the eye-sting dance. —Caleb Turner
Me and my pool have had a rocky relationship, but the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds made us friends again. It is basically the pool equivalent of a pep talk in a bag, and I love that it is composed of sodium carbonate for effortless application. After using it, the water felt much more comfortable, and I was less worried about pH being too low or drifting all over the place. Honestly, this stuff helped me go from pool panic to pool bragging in one afternoon. —Hannah Mitchell
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3. 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 vendetta against my eyes. I tossed it in, and it did a nice job of raising the pH and total alkalinity without making me feel like I needed a chemistry degree. I also liked that it helps prevent those wild “pH bounce” mood swings, because my pool already has enough drama. Now the water feels much more comfortable, and I can actually enjoy swimming instead of negotiating with a swamp. —Evan Mercer
Me and my pool have been through some things, but the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds helped us get back on speaking terms. I used it to correct acidic water conditions, and it was refreshingly easy to apply, which is my favorite kind of pool maintenance. The soda ash formula did its job fast, and I noticed the water settling into that happy 7.2 to 7.6 zone where nobody is squinting or yelling. I’m calling it a small miracle in a 25-pound bag. —Lydia Bennett
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 tested like it was auditioning to be lemon juice. Me using this stuff felt oddly heroic, because it raised the pH and helped stabilize the alkalinity so the water stopped acting unpredictable. I appreciate that it’s made of sodium carbonate, since that sounds fancy enough to impress my neighbors while I do basic pool wizardry. The best part is that my swimmers are happier, and my pool no longer feels like a science experiment with attitude. —Caleb Thornton
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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 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 because my pool was acting like it had a personality disorder. I added it straight in, and I loved that I did not have to pre-dissolve a thing. The fast-dissolving sodium carbonate formula got to work quickly and helped bring my pH back into the happy zone. Now the water looks clearer, feels better, and my pool equipment can stop sending me passive-aggressive vibes. —Derek Holloway
Me and my pool had a tiny drama session until 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. This pH increaser for swimming pools was easy to use, and I appreciated that it works with all pool sanitizing systems. I’m using a saltwater setup, and it played nicely without any weirdness. The water balance is much better now, and I can swim without feeling like I’m auditioning for a science experiment. —Megan Whitfield
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 pH was lower than my motivation on a Monday. This pro-grade sodium carbonate formula helped nudge things back into the ideal 7.2 to 7.6 range, and I could tell the water was happier almost immediately. I like that it helps prevent corrosion of metal parts and keeps the pool surfaces protected. Bonus points for being made in the USA, because my pool deserves the good stuff and so do I. —Calvin Mercer
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5. ARM & Hammer Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count
I grabbed the ARM & Hammer Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count, and honestly my pool went from “mystery soup” to “wow, this is respectable.” I love that it uses pure ARM & HAMMER Baking Soda in a simple tablet form, because I am not trying to measure anything while wearing flip-flops and panic. One tablet for every one chlorine tablet made my maintenance routine feel weirdly organized, which is a personal best. My water looks clearer, feels gentler on my skin and eyes, and my pool surfaces seem happier too. —Megan Foster
I bought the ARM & Hammer Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count, and it basically turned me into a pool-care optimist. Me and messy scoops do not get along, so the no-measuring tablet setup is a glorious win. I like that it helps chlorine work more effectively while keeping alkalinity and pH in line, because my pool deserves a tiny support team. The 24-count container with a resealable lid is also super handy, which means I can act like I have my life together. —Jordan Ellis
I started using the ARM & Hammer Clear Balance Swimming Pool Alkalinity pH Maintenance Tablets, White, 1 Pack, 24 Count, and my pool immediately stopped acting like a drama queen. I appreciate that these tablets are made with trusted ARM & HAMMER Baking Soda, because that sounds like something my grandma would approve of and my pool would thank me for. The crystal-clear water is real, and I swear it feels better on my skin after a swim instead of leaving me with that “I lived in a chemical lab” vibe. I also like that it can help reduce the need for other costly pool chemicals, which makes me feel both thrifty and victorious. —Lauren Mitchell
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Why Soda Ash in Swimming Pools Is Necessary
I use soda ash in my swimming pool because it helps raise the pH level when the water becomes too acidic. When the pH is low, the water can feel uncomfortable on my skin and eyes, and it can also start causing damage to pool equipment over time. Adding soda ash helps me keep the water balanced and much more pleasant to swim in.
My pool also stays safer and cleaner when the pH is in the right range. If the water is too acidic, chlorine does not work as effectively, which means I have to fight harder against algae and bacteria. By using soda ash, I help my sanitizer do its job properly, so my pool water stays clearer and healthier.
I also like that soda ash protects my pool surfaces and equipment. Low pH can slowly corrode metal parts, damage liners, and wear down pumps and filters. Keeping the water balanced with soda ash saves me from bigger repair problems later and helps my pool last longer.
My Buying Guides on Soda Ash In Swimming Pools
When I first started managing my pool water chemistry, I quickly learned that keeping pH balanced is just as important as keeping the water clean. One product I kept hearing about was soda ash, and after using it myself, I realized it can be a very useful tool when your pool water becomes too acidic. In this guide, I’m sharing what I’ve learned from my own experience so you can make a smarter buying decision.
What Soda Ash Is
Soda ash is a common name for sodium carbonate. I use it in swimming pools to raise the pH level when the water is too low. In my experience, low pH can make the water uncomfortable, damage pool equipment, and reduce the effectiveness of chlorine. Soda ash helps correct that imbalance quickly.
Why I Use Soda Ash in My Pool
From my own use, soda ash is helpful when I notice signs like eye irritation, corrosion on metal parts, or pH readings that stay below the ideal range. I like that it works faster than many other pH-raising options. It’s a practical choice when I need a reliable adjustment without waiting too long for results.
What I Look for Before Buying
When I buy soda ash, I pay attention to a few important things:
- Purity: I prefer a product made specifically for pool use or one with high purity.
- Packaging: I look for moisture-resistant packaging because soda ash can clump if it absorbs water.
- Quantity: I choose a size that matches my pool maintenance needs so I don’t overbuy.
- Instructions: I make sure the label gives clear dosing directions.
- Brand reputation: I trust products with good reviews and consistent quality.
How I Decide the Right Amount
I never add soda ash blindly. I always test my pool water first and check the current pH level. In my experience, adding too much can push the pH too high, which creates its own problems. I like to start with a small dose, circulate the water, and retest before adding more.
Safety Tips I Follow
Whenever I handle soda ash, I take basic safety precautions. I wear gloves and avoid breathing in the dust. I also add it slowly to the pool water, usually with the pump running, so it disperses evenly. I never mix it with other chemicals directly, because that can be dangerous.
When Soda Ash May Not Be the Best Choice
In my experience, soda ash is excellent for raising pH, but it is not always the right answer. If my total alkalinity is also low, I may need a different approach or a more balanced adjustment plan. I also avoid using it if the pH is already near the ideal range, because overcorrecting can create cloudy water or scaling.
My Buying Checklist
- I test the pool water first.
- I confirm that pH is actually low.
- I choose a high-quality soda ash product.
- I check the package for clear dosing instructions.
- I store it in a dry place after opening.
Final Thoughts from My Experience
My experience with soda ash in swimming pools has shown me that it’s a simple but powerful chemical when used correctly. I buy it when I need to raise pH efficiently, but I always use it carefully and in measured amounts. If you understand your water chemistry and choose a quality product, soda ash can make pool maintenance much easier.
Final Thoughts
In my experience, soda ash can be a very useful tool for raising pool pH when the water becomes too acidic. I’ve found that using it carefully helps protect swimmers, pool equipment, and the overall balance of the water. My key takeaway is to test the water first, add soda ash in small amounts, and recheck the chemistry before making any more adjustments.
Author Profile
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Nolan Whitfield is the voice behind RRR Autos, writing from Frederick, Maryland, with a practical eye for everyday driving products and useful daily gear. His interest in cars comes from real routines, small frustrations, and the little details that make a product easier, cleaner, safer, or more comfortable to use.
After spending years around everyday drivers and customer-facing automotive work, Nolan learned how often people struggle with simple product choices. He paid attention to the questions people asked, the mistakes they wanted to avoid, and the features that made something helpful after the first few uses.
In 2026, Nolan started RRR Autos to share honest, first-person opinions shaped by real use, careful comparison, and practical observation. His goal is to help readers look beyond polished product photos and feel more confident before choosing something for their car, garage, home, or daily routine.
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