Chemical oceanography investigates the chemical composition and properties of seawater, essential for maintaining aquaculture health. Studying elements like carbon, nitrogen, and phosphorus helps predict the effects of nutrient imbalances, which can lead to harmful conditions such as algal blooms. Chemical oceanography examines how nutrients and pollutants circulate, providing insight into their impacts on fish health and ecosystem stability. Understanding these cycles enables better management of aquaculture inputs, promoting a balanced environment and enhancing species growth rates. This field also highlights how human activities alter ocean chemistry, informing sustainable practices that reduce environmental stressors on aquaculture systems.