Carbon Dioxide Replaces Acid To Reduce pH

Replacing mineral acid with carbon dioxide (CO₂) in alkaline water is an effective, reliable, self-buffering and economical method of control- ling pH levels. Praxair offers the best in service and supply to meet all your pH control needs. Carbon dioxide is a safer alternative than mineral acids and an effective chemical for lowering the pH of various kinds of alkaline waters. When CO₂ is dissolved in water, it goes through a series of chemical reactions.