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💦 Dive into perfectly balanced water—because your pool deserves the best!
In The Swim pH Reducer is a 5-pound granular formula with 90% sodium bisulfate designed to quickly and effectively lower pH and total alkalinity in pools, spas, and hot tubs. It optimizes chlorine efficiency, prevents cloudy water, protects pool equipment and swim gear, and ensures a comfortable, irritation-free swimming experience by maintaining an ideal pH range of 7.2 to 7.6.
| ASIN | B07YZPNWDL |
| Best Sellers Rank | #7,714 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #30 in Swimming Pool Balancers |
| Brand Name | In The Swim |
| Customer Reviews | 4.7 4.7 out of 5 stars (744) |
| Item Form | Granular |
| Item Weight | 5.1 Pounds |
| Manufacturer | In The Swim |
| Product Benefits | Protects Against Skin Irritation |
| UPC | 758293060460 |
| Unit Count | 80.0 Ounce |
L**E
So much easier to order it here.
So much easier to order here and have it delivered than to drive to the pool store and pick it up and haul it home. Same stuff, works fine, same solid packaging. Easy is a good thing.
W**Y
Dissolves quickly.
Very effective ph control. Dissolves quickly and good value for the money.
K**Z
Great pool product
Product works great bringing down the ph quickly. I would recommend this product.
R**R
Too expensive and weak
Use muriatic acid as this product is very weak and expensive
A**R
Good.
Good price for moderate amount. Arrived intact and still sealed.
M**D
They work as described, and I highly recommend!
It did as expected, and now my pool looks fabulous.
T**H
Muriatic Acid Was Better For Me
This is my first year with a new plaster concrete 28K gallon pool. I’ve used muriatic acid before this and tried this dry acid. My alkalinity is kept between 70 - 110. I hit 8.2 ph weekly and two treatments of a half gallon of muriatic would last a week. 8 dry cups of this dry acid diluted in a 5 gallon bucket was as effective as half a gallon of muriatic acid. I had to do twice as many treatments a week of this than liquid muriatic acid and this $100 bucket lasted about a month. You’ve got to stir this a lot to dilute it. Muriatic acid is $10 a gallon. That’s $40 a month or more than half as much as this. I’m going back to muriatic. It was worth a shot.
D**S
great product
quick shipping, great product
Trustpilot
2 days ago
3 weeks ago