A muggy day in June 2004, Tan found his fish were dead overnight due to the lack of oxygen, though he had pumped more water and oxygen in all his pounds. 16 acres of hisponds were full of dead fish.

• 2004年6月的一天，天气闷热，老谭的鱼塘里缺氧，鱼开始浮头，老谭照例从渠道抽了些水进塘补氧。没想到，一夜醒来，16亩鱼塘水面变成了白花花的一片，全是死鱼。