... Pond in Aquaculture; killing snail, various wild fishes , the unusable-fish,loach, spawns of frogs, tadpoles, earthworms, leech, nematodes, other ... Application:1. Eliminate the unwanted or wild fishes in the fish ponds and shrimp ponds; 2. Help shrimps take off shell earlier ... pollution ; 8. can be widely applied in various crops and soil especially for economic plants like vegetable, fruit, tea leaf ...