Chlorination is practiced widely in aquaculture for disinfection of holding and rearing tanks for fish. Chlorine compounds are applied to puddles of water in the bottoms of empty ponds to eliminate wild fish before refilling ponds. Chlorination also has been used to kill disease organisms or their vectors in water supplied to hatcheries and in shrimp ponds before stocking.
(Remarks: chlorine dioxide is not in the group of chlorine compounds)
Chlorine compounds can be toxic to culture species, but they also can be toxic to workers. Those adopting chlorination as a management practice should have knowledge of the behavior of chlorine compounds in order to use them effectively and safely......
