| abstract |
(57) [Summary] [Object] To provide an algae control composition having an excellent algae control effect, and an algae control agent for ornamental fish using the composition. [Structure] Calcium carbonate particle powder carrying at least one metal compound selected from the group consisting of silver and copper, or calcium phosphate particle powder carrying the above metal compound, zinc oxide whiskers, coagulant, and acid neutralization It is an algae control composition containing an agent, a natural organic polymer, an organic polymer and an inorganic porous body as main components. [Effect] It is excellent in algae-preventing effect and algae-removing effect and can maintain a state of extremely high ornamental value for a long time even in an aqueous system in which algae have already been generated, and is particularly suitable as an algae-preventing agent for ornamental fish. |