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Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067
Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067
Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067
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Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067

Marsoni M251S
Sale price$130.00
Pay 4 payments of $32.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Black Unit Algaecide & Mineral Purifier 4-Pack | PoolRx 331067Protect your pool against algae and cloudiness with the PoolRx Black Unit 331067 (4 Pack), a mineral powered purification system that delivers pristine, healthy water while dramatically lowering chlorine consumption. The specialized mineral blend steadily dissolves into the water, amplifying chlorine's ability to neutralize bacteria and prevent algae from taking hold. Packaged as a 4 pack, this set is ideal for treating larger pools or servicing
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 2096 reviews
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Product Reviews
J
Verified Purchase
John Reid
Dallas, US
★★★★★ 3
Sticky and white
Style: SPF 50
The sunscreen has a very sticky and thick texture. It will keep you from getting sunburnt, but it will also leave you with a white color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2024
B
Verified Purchase
Brona Buys
Lexington, US
★★★★★ 4
Good sunscreen
Style: SPF 50
Super good coverage and it lasts a long time in the sun and even through water activities. The only negative is the white cast. Not as bad as others but just be aware it doesn’t fully rub in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2025
B
Verified Purchase
Becky
Grantham, US
★★★★★ 5
Great sunscreen & works for kids - even used in resorts!
Style: SPF 50
Terrific! I don’t feel it is as good as chemical ones but my favorite non-chemical one. Used on a long vacation and it did the job! Also didn’t cause pimples like other thick versions of this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
D
Verified Purchase
daina o'callaghan
Battle Creek, US
★★★★★ 5
Protection
Style: SPF 50
I love this product, especially my husband because it’s all-natural. It contains minerals that leave a slight white residue on the face. While it would be nice to have a clearer texture, it does a beautiful job of protecting you from the sun.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2025
O
Verified Purchase
One Click
Port Orchard, US
★★★★★ 5
Best mineral sunscreen
Size: 3.4 Fl Oz (Pack of 1)
Best sunblock. No white cast if you use the 30 spf. My dermatologist recommended this years ago and I’ve used it since.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026

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