– Fruit Tree leaves contain a wide variety of inhalants, eg minerals, tannins and humic substances, trace elements and much more. – Shrimp need it to strengthen their immune system, for good digestion and more. – The shrimp either directly eat the leaves or graze on the bio- film that will accumulate on the leaves. – Banana leaves have long been used in the shrimp hobby to encourage breeding and establish suitable water conditions. – Cover with tank or boiling water till water logged before adding to your tank. – NOTE: Dried Banana leaves are extremely fragile. Please handle with care!