Eliminates pH bounce and raises Total Alkalinity. 4kg Bag. 

• Protects the pH from being influenced by factors such as rain, swimmer load and other chemical application.
• Prevents corrosion of equipment and metal fittings.
• 1000g/kg sodium hydrogen carbonate (sodium bicarbonate).
• Raises Total Alkalinity.
• For all pool types.
• Classified as Non-Dangerous Good.