5 March, 2025

Aquaculture

The aquaculture industry relies on industrial gases to enhance fish health, optimize water quality, improve operational efficiency, and support sustainable farming practices. These gases play a crucial role in oxygenation, preservation, disease control, and environmental management.

Economic & Environmental Benefits of Industrial & Medical Gases in Aquaculture

• Increased Fish Survival & Growth Rates

• Reduced Disease Outbreaks

• Eco-Friendly & Sustainable Farming

Enhancing Fish Health & Growth

Dissolved oxygen (DO) is the most critical factor in fish and shrimp farming. Insufficient oxygen levels can lead to stress, disease, and high mortality rates. Controlled oxygenation helps maximize growth, reduce stress, and improve feed conversion efficiency.

Oxygen Injection in Fish Tanks & Ponds

• Industrial oxygen is injected into recirculating aquaculture systems (RAS) and ponds to maintain optimal DO levels, thereby ensuring higher fish density without compromising health.

Oxygenation for Transportation of Live Fish

• Medical-grade oxygen is used in sealed fish transport tanks to maintain oxygen levels and reduce stress during transport, leading to extended survival time and ensuring fresh delivery to markets.

Emergency Aeration Systems

• Oxygen generators or liquid oxygen (LOX) systems are deployed in intensive aquaculture farms to prevent fish suffocation during oxygen drops (e.g., during high temperatures or algal blooms).

Optimized Hatchery Operations

• Oxygen-enriched water improves the survival rate of fish larvae and eggs in hatcheries.

pH Regulation for Water Quality Management

• In freshwater aquaculture, CO₂ is injected to maintain optimal pH levels, preventing stress on fish caused by excessive alkalinity. Which helps balance water chemistry in recirculating aquaculture systems (RAS).

Fish Anesthesia & Processing

• CO₂ is used as a natural sedative for fish during handling, grading, or vaccination, reducing stress and injury. Ensures fish remain calm during biomass measurements and medical procedures.

Specialty Gas Mixtures for Aquaculture Research & Monitoring

• Specialty gas mixtures are used in calibration of oxygen and CO₂ sensors, ensuring accurate water quality monitoring in aquaculture farms.

• Some advanced aquaculture research uses controlled gas environments to simulate natural conditions, optimizing fish growth and breeding programs.