Alkalinity Up

Need to raise your pool’s Total Alkalinity without raising the pH level? Leslie’s Alkalinity Up is a quick and effective way to raise alkalinity and keep pH levels in check! A low level of Total Alkalinity can be dangerous for your pool and for swimmers. Leslie’s Alkalinity Up, which is made of 100% sodium bicarbonate, is the easiest way to keep pH and Total Alkalinity balanced, and makes your pool a safe and clean environment for everyone!

Also available :

5 and 10 LBS Buckets.

50 LBS Bag.


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Maintain a balanced pH while increasing total alkalinity with Leslie’s Alkalinity Up alkalinity increaser. Dosage: 1 lb per 10,000 gallons

  • Alkalinity increaser
  • 100% sodium bicarbonate
  • Doesn’t raise pH levels
  • Keeps pool free of damage
  • Helps maintain a safe swimming environment

Additional information






Prices are FOB Miami and subject to shipping charges in the continental USA.


All major credit cards are accepted. Orders over $100 are subject to a 3% credit card fee.

Return Policy

All products have full manufacturer warranty, returns are accepted in original box or packaging and not used within 30 days.