Leslie's Alkalinity Up raises Total Alkalinity without increasing pH levels. Made of 100% sodium bicarbonate, it's effective and easy to use. Helps maintain a balanced pH while increasing Total Alkalinity, ensuring a safe swimming environment. Prevents pool damage and maintains a clean and safe environment for swimmers. Dosage recommendation: 1 lb per 10,000 gallons of water. Leslie's Alkalinity Up is a quick and effective solution for raising Total Alkalinity in swimming pools and spas without increasing pH levels. Made of 100% sodium bicarbonate, it helps maintain a balanced pH, prevents pool damage, and ensures a safe swimming environment. Ideal for maintaining both pH and Total Alkalinity, it keeps your pool clean and safe. Recommended dosage is 1 lb per 10,000 gallons. Product packaging may vary, with no change to product composition or weight.