मुख्य तथ्य

• Combines fish and plant production in one recirculating system
• Fish waste converted by bacteria into plant-available nitrogen
• Plants naturally filter and clean water returned to fish tanks
• Produces two food streams — fish protein and fresh vegetables
• Uses up to 90% less water than traditional farming
• No synthetic fertilisers required; fish waste replaces them
• Requires careful balance of fish load, plant mass, and bacterial colony