Composition: Calcium peroxide, Calcium Carbonate, Sodium Nitrate Advantage: Increase and maintain simultaneously, Dissolved Oxygen (DO) and Alkalinity in pond water. Reduce Toxic gases and anaerobic conditions in the pond bottom. Reduce the stress of Shrimp and Fish Pond Doses: 1-2kg/Acer of water mixed with water Or as directed by Aquaculture Technician. Pack Size: Available in 500g