#$%^&*AU2020102049A420201015.pdf#####ABSTRACT The invention discloses a chemical bactericide. The chemical bactericide consists of tall oil fatty acid, triticonazole, triethanolamine, trisodium phosphate, fatty amine polyoxyethylene ether, piperine, 2-thiocyanomethyl thiobenzothiazole, mancozeb, bromochlorohydantoin, toosendanin, alkyl glycoside, castor oil polyoxyethylene ether EL-40, benzyl chloride, potassium permanganate and alcohol. Compared with the prior art, the bactericide prepared by adopting a formula provided by the invention and the method provided by the invention can particularly sterilize algae of aquatic animals, and can effectively prevent a large number of algae from growing in an aquarium； at the same time, the chemical bactericide provided by the invention does not harm fishes of aquatic animals, does not affect the health of the fishes, can prevent fish diseases of the fishes, reduces the occurrence of fish diseases, and has a popularization and application value. 1
