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ClearView GNBS050 Sodium Bicarbonate Alkalinity Up - Pool Alkalinity Increaser | 50 lbs

Marsoni M251S
Sale price$47.99
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ClearView GNBS050 Sodium Bicarbonate Alkalinity Up - Pool Alkalinity Increaser | 50 lbsBring your pool's total alkalinity into the ideal range with Clearview Sodium Bicarbonate Alkalinity Up GNBS050. This granular sodium hydrogen carbonate treatment is purpose built to elevate total alkalinity, which serves as the backbone of stable pH in your swimming pool. When alkalinity dips too low, your pH can swing unpredictably a condition known as "pH bounce" leading to corrosion, staining, and uncomfortable swim conditions. This economical 50
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4.2 ★★★★★
Based on 900 reviews
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M
Verified Purchase
May
Grantham, US
★★★★★ 3
Terrible white cast
Size: 1.7 Fl Oz (Pack of 1)
You will look like you just got blasted by Jack Frost in the middle of the summer. This sunscreen could double as a hair identifier from the way it clings to each strand, leaving an incredibly noticeable white residue. I am very fair and on my skin itself the white cast is much less obvious/fades, my eyebrows on the other hand? Frostbitten. Snow swept. Bringing to mind polar bears and penguins. It's an alright sunscreen. Does the job. Does not look good while doing it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
C
Verified Purchase
Courtney
San Leandro, US
★★★★★ 5
Great Product
Size: 1.7 Fl Oz (Pack of 1)
Most importantly, this stuff works! And I absolutely love that it’s not greasy. My face isn’t shiny or slick when i apply it. I’ve had no issues with my skin tolerating this sunscreen.
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Reviewed in the United States on May 8, 2026
K
Verified Purchase
Kristen Mathis
Draper, US
★★★★★ 5
Amazing sunscreen, no residue
Style: Uneven & Discolored Skin
Took to Mexico along with my other La Roche skin care and it was amazing!!! Face never got burnt and it didn’t leave a cast and was lightweight
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
M
Verified Purchase
MightyKaiju
Lexington, US
★★★★★ 5
Great product
Style: Uneven & Discolored Skin
Not waterproof, but I use this under my makeup everyday. No scent, not super greasy, and goes under makeup well. I love La Roche Posay products. I have noticed a slight improvement on dark spots over a few months, but it's quality ingredients. This is a daily sunscreen, but it's not for a heavy beach day if you're going in the water. It's definitely water soluble which is great for every day wear.
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Reviewed in the United States on April 8, 2026
I
Verified Purchase
Ian Bell
Whiting, US
★★★★★ 5
Worth it
Style: Uneven & Discolored Skin
This is perfect sunscreen if you have dry and melanated skin. Always glowing afree putting this on annd no white cast ever. There are also no irritants in the sunscreen so applying too much won’t break you out look other sunscreen. The bottle also lasts for about a month 1/2 at a time. Great product
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Reviewed in the United States on April 9, 2026

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