Product Description: Effective purification: remove excess moss, algae and other microorganisms to make the water ugly. It reduces and controls the presence of algae: decomposes dead algae, digests fragments of leaves, grass and rocks, and makes the water in the pond look cut glass clear! Safe and efficient: it is made of safe and harmless organic compounds, which will not damage the ecosystem and the life of fish. Easy to use: no manual decontamination; It can quickly and effectively remove excess moss and control the growth of algae in water. Clean and odorless: this cleaner balances algae and microorganisms while reducing odor, greatly improving the health and longevity of your beloved fish. Product specification: Name: algicide Material: Powder / tablet Bottle size: 8.7 * 4.5cm Style: with spoon / without spoon Capacity: 50g The package includes: 1 * algicide / 1 * algicide + spoon