Leslie's Alkalinity Up is a quick and effective way to raise alkalinity and keep pH levels in check! ... 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!

Is alkalinity up the same as baking soda?

Soda Ash or Baking Soda? If you want to raise your pH and alkalinity together, use soda ash (sodium carbonate). If your goal is to raise alkalinity only, use baking soda (sodium bicarbonate).

How do I get the alkalinity up?

Baking soda, also known as sodium bicarbonate is naturally alkaline, with a pH of 8. When you add baking soda to your pool water, you will raise both the pH and the alkalinity, improving stability and clarity.