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Leisure Time Spa Alkalinity Increaser for Hot Tubs – 2 lbs | ALK

Marsoni M251S
Sale price$14.99
Pay 4 payments of $3.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Leisure Time Spa Alkalinity Increaser for Hot Tubs – 2 lbs | ALKLeisure Time Alkalinity Increaser is formulated to raise total alkalinity levels in your spa safely and effectively, helping stabilize pH and protect your equipment from corrosive or scaling conditions. By buffering your water chemistry, this concentrated granular treatment extends the service life of heaters, jets, and plumbing. Its powerful formula delivers controlled, gradual alkalinity adjustments for a perfectly balanced soak every time. Key
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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.
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4.5 ★★★★★
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Gary Miller
Dallas, US
★★★★★ 5
Just the part I needed
Number of Items: 1
It was a perfect match to the one I needed to replace. And the shipping was lightning fast
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
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steven clark
Grantham, US
★★★★★ 5
Works great
Number of Items: 1
Works great easy fix for my Merc. Trim motor
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Reviewed in the United States on September 3, 2025
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Lori
Charlottesville, US
★★★★★ 5
Worked well
Number of Items: 1
Worked well for the money
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Reviewed in the United States on December 27, 2025
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Robert Zeigler
Pawtucket, US
★★★★★ 4
Buy
Number of Items: 2
Great deal
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Reviewed in the United States on June 24, 2025
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Regal Boat
San Leandro, US
★★★★★ 5
Perfect replacement solenoids.
Number of Items: 2
Perfect fit and works as expected!
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Reviewed in the United States on September 11, 2025

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