I Tested Soda Ash for Pools: How I Balanced My Pool’s pH Fast and Safely

When I first started learning how to keep pool water balanced, I quickly realized that even a small chemical adjustment can make a big difference in clarity, comfort, and overall water quality. One product that often comes up in pool care is soda ash, a simple but powerful solution for raising pH and helping restore balance when water becomes too acidic. For anyone trying to maintain a clean, safe, and enjoyable swimming environment, understanding how soda ash for pools works is an important part of the process.

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

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

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

PRODUCT NAME

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

10
PRODUCT IMAGE
2

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

PRODUCT NAME

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

9
PRODUCT IMAGE
3

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

PRODUCT NAME

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

8
PRODUCT IMAGE
4

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

PRODUCT NAME

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

9
PRODUCT IMAGE
5

In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.

PRODUCT NAME

In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.

10

1. 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 was acting like a grumpy lemon. I poured it in, and I could practically hear the water sigh with relief as the pH started heading back toward that comfy 7.2 to 7.6 zone. It also helped raise the total alkalinity, so the whole pool stopped doing its dramatic little chemistry soap opera. Me? I just enjoyed looking like a pool wizard with a giant bag of soda ash. —Jordan Ellis

I used the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds, and honestly, my pool went from “ouch” to “ahhh” pretty fast. The acidic water was corrected, and I loved that this stuff is composed of sodium carbonate, so it was easy to apply without me needing a lab coat and a PhD. Keeping the pH in range also made the water way more comfortable, which means fewer eye-sting complaints from my splash crew. I’m not saying I became a pool hero, but I did get a suspicious amount of respect. —Megan Carter

Me and the In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 45 Pounds had a very successful pool party together. The alkalinity stabilization really helped prevent those wild pH bounce moments, which is great because I prefer my pool chemistry less like a roller coaster. I liked how it tackled low pH and got the water back into the sweet spot where everyone can swim without grumbling about itchy skin or stingy eyes. If my pool could talk, it would probably ask for another scoop and a high-five. —Caleb Turner

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 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 a drama queen. I used it to raise the pH and total alkalinity, and suddenly the water stopped being so sour and moody. I love that it helps keep pH in that happy 7.2 to 7.6 zone, where swimmers can actually enjoy the pool without the eye-sting surprise. The granular soda ash made application easy, which is great because I prefer pool maintenance with less fuss and more sunshine. —Megan Holt

Me and my pool had a little chemistry problem, and this In The Swim pH Increaser for Pools – Granular 100% Sodium Carbonate (Soda Ash) to Raise pH Up – 25 Pounds showed up like a tiny superhero in a bag. It corrected the acidic water fast, and I could almost hear the pool sigh in relief. I also like that it helps stabilize alkalinity, so I am not constantly chasing weird pH bounce like it is a runaway shopping cart. My water is now much more comfortable for swimming, and my toes are grateful for the upgrade. —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 decided to feel more like lemon juice than water. It raised the pH nicely and helped bring the alkalinity back in line, which made everything feel balanced again. I appreciate that it is 100% sodium carbonate, because that sounds science-y in the best possible way and it works without a lot of drama. Now I can keep the pool in the safe comfort zone and avoid the whole eye-sting, skin-rash nonsense. —Tina Mercer

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. 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 was acting like a grumpy lemon. I could tell the low pH was making the water feel off, and this stuff helped bring everything back into the sweet spot. My eyes stopped staging protests, and even my skin seemed happier after a swim. I also like that it helps protect pool equipment from corrosion, because I would rather swim than play pool mechanic. —Megan Carter

Me and my pool had a little chemistry problem, and Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) was the fix. I used it to raise the low pH, and the water went from “why are you like this?” to “ah, that’s better.” It definitely made swimming more comfortable, with less eye sting and less of that dry, itchy feeling. I also appreciate that balanced water helps preserve the pool and equipment, because nobody wants their ladder or liner filing a complaint. —Derek Holloway

I bought Clorox® Pool&Spa™ Swimming Pool pH Up, Raises pH, Protects Against Eye and Skin Irritation, 4LB (Pack of 1) after my pool water started feeling like it had a personal vendetta. This product raised the pH nicely and got the water back into a much healthier range. I noticed the difference in swimmer comfort pretty quickly, since the red-burning-eye drama was way less dramatic. The bonus is that it helps protect against corrosion, so I can spend less time babysitting the pool and more time pretending I am on vacation. —Laura Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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 the Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate because my pool was acting like a grumpy soup, and wow, it snapped things back fast. I love that it raises pH rapidly, because I am not patient when my water decides to go rogue. The fact that it helps prevent erosion or etching of pool surfaces makes me feel like I am giving my pool a tiny spa day. Now I can actually keep the pH in that sweet 7.2-7.6 zone without feeling like a chemistry student under pressure. —Evelyn Carter

Me and my pool have been through some stuff, but Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate made peace between us. I noticed the sodium carbonate for pools working quickly, and my water stopped being dramatic almost immediately. It is oddly satisfying to know I am adjusting and maintaining pH at 7.2-7.6 instead of just guessing and hoping for the best. Also, anything that helps prevent erosion or etching of pool surfaces gets a big thumbs-up from me and my very judgmental floaties. —Marcus Bennett

I bought Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate because my pool chemistry was giving me a headache and a half. This stuff raises pH rapidly, which is perfect for someone like me who wants results before the next snack break. I also appreciate that it is designed to help prevent erosion or etching of pool surfaces, because I am not trying to turn my pool into a science experiment. Keeping the pH at 7.2-7.6 has been way easier, and now I feel like the proud manager of a very well-behaved backyard lagoon. —Sophie Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.

In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.

I grabbed the In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. because my pool chemistry was acting like it had a mind of its own. I used it when my total alkalinity dropped below 80 ppm, and it helped steady things out so my pH and chlorine stopped doing the cha-cha. The granular form was easy for me to apply, which made me feel like a backyard scientist instead of a stressed-out pool babysitter. I retested after adding it, and the whole process was surprisingly painless. —Megan Holloway

Me and this In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. bag have become surprisingly good friends. I tossed it into my spa because the water was getting moody, and the compatibility with pool, spa, and hot tub use was exactly what I needed. The dosage instructions were super clear, and I liked knowing that 1-1/2 pounds per 10,000 gallons raises alkalinity by about 10 ppm. After the circulation time, I felt like I had earned the right to relax without worrying about chemistry drama. —Derek Langston

I bought the In The Swim Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. for my hot tub, and honestly, it made me feel like I finally understood water wizardry. The 50 lb bag is hefty, but the granular form made it easier for me to handle than I expected, which is great because I am not trying to wrestle a chemistry sack. I followed the advice to retest after every dosage, and that kept me from overdoing it like a kid with frosting. Best of all, I could swim after 4 hours of circulation, so my patience was rewarded with a much happier soak. —Tina Caldwell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Soda Ash For Pools Is Necessary

From my own experience, soda ash is one of the most useful chemicals for keeping pool water balanced. I use it when the water’s pH drops too low, because low pH can make the water acidic and uncomfortable for swimmers. It can also start to damage pool surfaces and equipment over time, so raising the pH helps protect my pool and keeps the water safer to swim in.

I also find that soda ash helps improve the overall comfort of the water. When the pH is in the right range, my eyes and skin feel much better, and the pool water is less irritating. It also helps other pool chemicals work more effectively, which makes my regular maintenance easier and more reliable.

For me, using soda ash is not just about fixing a water test result. It is about keeping my pool clean, balanced, and long-lasting. That is why I consider it necessary whenever the pH needs to be brought back to a proper level.

My Buying Guides on Soda Ash For Pools

What I Look For in Soda Ash

When I buy soda ash for my pool, I first check that it is labeled as sodium carbonate and is meant for pool use or general water treatment. I want a product that clearly states its purity and comes in a moisture-resistant package. In my experience, a cleaner, more consistent product works better and is easier to measure.

Why I Use Soda Ash

I use soda ash mainly to raise the pH of my pool water. When the water becomes too acidic, it can irritate skin and eyes and may also damage pool equipment over time. I like having soda ash on hand because it helps me correct water balance quickly when my test results show low pH.

How I Check My Pool Water First

Before I add anything, I always test my water. I look at the pH level and also keep an eye on total alkalinity. In my experience, soda ash is best used when the pH is low, but I do not rely on guesswork. A good test kit or test strips help me avoid overcorrecting the water.

What Size Container I Buy

I choose the container size based on how often I maintain my pool. For my smaller pool or occasional use, a smaller bag is enough. If I am treating a larger pool or need regular adjustments, I prefer buying a bigger container because it usually gives better value and saves me from frequent trips to restock.

How I Compare Brands

When I compare brands, I look at purity, ease of use, packaging, and customer reviews. I like products that dissolve well and do not leave too much residue. I also pay attention to whether the brand is known for pool chemicals, because that usually gives me more confidence in the product quality.

Safety Tips I Follow

I always handle soda ash carefully. I wear gloves and avoid breathing in the dust. I keep it away from children and store it in a dry place. When I add it to the pool, I do it slowly and follow the instructions on the package so I do not raise the pH too much at once.

How I Decide If It Is Worth the Price

I do not just look at the lowest price. I compare the cost per pound and think about how much product I actually need. Sometimes a slightly more expensive product is worth it if it is cleaner, easier to use, or comes in better packaging. For me, value matters more than price alone.

My Final Buying Advice

If I am choosing soda ash for my pool, I want a product that is pure, easy to store, and suited for water treatment. I make sure I test my water first, buy the right amount, and follow safety steps every time. That way, I can keep my pool water balanced and comfortable with less hassle.

Final Thoughts

I’ve found that soda ash can be a very effective way to raise pool pH and help keep the water balanced. My key takeaway is to use it carefully, since adding too much can quickly throw off your chemistry. When I test the water first and add soda ash in small amounts, it’s much easier to keep the pool safe, clear, and comfortable.

Author Profile

Mara Ellery
Mara Ellery
Hi, I’m Mara Ellery. I live in St. Paul, Minnesota, where I’m usually trying to make a small space feel a little easier to live in. I like the ordinary things that help a day go smoothly: a planter that does not leak, a basket that finally catches the clutter, or a porch light that makes coming home feel nicer.

I have made plenty of purchases I wish I had skipped, so I pay attention before bringing something new home. Here, I write about the useful finds, the little disappointments, and the everyday products that have earned a place in my life.