Wt:30g Features: 1, Effective help and prevention of bacterial infection. 2, The most natural acid effect. 3, Naturaly polish color and stability of fish color. 4, Promote the reproductive capacity of fish. 5, Help to control the propagation of moss. Note: Leaves are dry, so it is not guaranteed that each leaf is a volume. It is easy to have little damage, but dont affect anything. High requirements on the feature buyers please know. Leaf color is not exactly the same. How to use: 1, This magic leaf can be placed in any filter, filter system or water where the replacement should taken every two weeks. Note: Water after using leaves was weak acid, yellowish color. 2, Put a leaf in 10 to 15 liters of water can keep the fish active and healthy. Extend our cycle of changing water from every other day to every 6-7 days. Leaves can be kept in water for 1 week. In less chlorine water can improve its efficiency. 3, Leaves can float in the cylinder to increase the frequency of reproduction. Because the male likes to build his bubble lair below the dry leaves. 4, We can also use this leaf to treat bacterial infections.Crush a leaf into a small tank of about 1 L, changing water every other day for the sick fish .For a week , avoid direct sunlight, and maintain the temperature of about 28 -29 degrees. EU Responsible Persons information: Name: PI NETWORK SARL Address:38 rue Dunois 75647 Paris CEDEX 13,75013,FR E-mail:friedlichrichter@outlook.com This merchant is committed to only offering products that comply with the General Product Safety Regulation.