1,Made of high grade material, which is , y and 2,Automatically control the algorithms according to the aquarium's initial, mid-term and end of different ecological environment and adopts different sterilization strength and cycles according to different period 3,For plant: Inhibition of algea and promotion of water plants growing, speed up water plant growth and metabolism, stimulating growth of enzyme synthesis to replenish mineral trace elements, and quickly setting up the digestive system to stabilize the aqu 4,For fish: with strong sterilization capabilities to effectively kill the pathogens, reducing the fish disease caused by viruses, bacteria and effectively reducing the fish skin and mucous membrane infection and gastro-intestinal diseases, reducing harmfu 5,For shrimp: kill the pathogenic bacteria in the water to protect the shrimp and improve the survival rate of juvenile shrimp and quickly set up the digestive system to make the aquarium water clear Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store