DescriptionMaintaining functions of restraining and suppressing algae growth, promoting growth of aquatic plants, protection for fish and shrimps. Constant elimination of pathogenic bacteria and precaution of biological diseases, etc. Prevent and inhibit diseases and algae formation at startup and over the aquarium life. The new Chihiros Doctor has integrated 3 application covering usage of aquatic plants, fish and shrimp keeping into only a single Doctor device.Features- Size: 17 x 7 x11cm. - Color: As shown. - Material: Plastic. - Maintaining functions of restraining and suppressing algae growth, promoting growth of aquatic plants, protection for fish and shrimps. - Constant elimination of pathogenic bacteria and precaution of biological diseases, etc. - Prevent and inhibit diseases and algae formation at startup and over the aquarium life. - The new Chihiros Doctor has integrated 3 application covering usage of aquatic plants, fish and shrimp keeping into only a single Doctor device.