Features 1、Effective cleaning agent: Removes too much moss, algae and other microorganisms, making your water cloudy and unsightly. 2、 The role of reducing algae and controlling algae: It can break down dead algae and digest leaves, grass clippings and stones, making the water in the pond clear and bottomless. 3、 Safe and efficient: It consists of safe, non-organic, non-toxic compounds that will not damage the fish ecosystem and life span. 4、 Easy and fast to use: No need to remove dirt manually. Remove harmful moss and control the growth of algae in water at high speed and efficiency. 5、 Cleaning: Cleaning the pond has never been easier, because it is the cheapest, most sustainable and safest natural way to keep clean water in the pond. Specifications Type: Aquarium Cleaning Powder Net content: 50g Instructions: Algae removal use: use 3 grams per 100 liters of water; Preventive use: Use 1 gram for every 100 liters of water. Package List 1*Fish Tank Cleaning Powder 1*Spoon