Coastal Aquaculture and Mariculture (2+1)

Unit 4 - Water and soil quality management

4.1.2.d. Carbon dioxide

• The main source of carbon dioxide to water is by respiration of organisms and biological oxidation of organic matter.
• Carbon dioxide is not particularly toxic to fish provided sufficient dissolved oxygen is available.
• CO2 concentration of 10-15 mg/L is recommended as maximum for fish culture.