In the Swim Pool Alkalinity Increaser

by In The Swim
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ITEM# 18987145
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ITEM#: 18987145

Keep your pool pristine and safe with this granular sodium bicarbonate pool alkalinity increaser from In The Swim. Optimal pool water alkalinity prevents cloudy water, helps control the integrity of chlorine in your pool water, and prevents pool walls and equipment from scaling and corroding.

  • Made of naturally alkalinizing sodium bicarbonate
  • Has a granular texture
  • Apply to pool water when alkalinity drops below 80 ppm
  • Prevents pool walls from scaling
  • Keeps pool equipment from corroding
  • Ensures pool water stays clear
  • Optimal alkalinity in turn supports the integrity of chlorine
  • Sufficient spa dosage is 1 to 2 ounces per 500 gallons
  • 1.5 pounds raises alkalinity level by approximately 10 ppm for every 10,000 gallons


Dimensions See Description
Model Number Y7300-Y7340
Country of Origin United States

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Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.


This item cannot be shipped to Alaska or Hawaii. More details

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** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.