Broadcast the lime over the pond surface. Broadcast the lime over the pond surface. 20 liters of bleaching solution per hectare in water 2 cm deep. Chlorine is the fish killing agent. First dissolve the powder in water and then broadcast over the pond surface.
Calcium hypochlorite is a solid powder.
It can burn the lungs if inhaled. A filter mask should be worn or breath held until the powder is safely in water. Ammonia is the agent affecting fish. Farming of prawns and shrimps. Extension Manual No. 5.