Mulberry Leaves Mulberry leaves are a safe food for shrimp because they are a natural food source from plants providing essential vitamins and fiber for shrimp growth. It does not contain potential toxins like pet foods from animals. Moreover, when using foods made from natural sources, we can limit the appearance of Planaria, Hydra inside the shrimp tank, and save the cost of buying expensive food for shrimp. How to use: Boil or sink the leave into hot water for a few mins then take it out and put it directly to your tank that way can make the leave is soaked easier and softer for shrimps to eat. Furthermore, that also helps wash away toxins and parasites. Because it is dehydrated leaves, it may be brittle and easily broken into small pieces. Please use 1 leave or few shredded pieces at one time for one tank and change the new one when it remains a skeleton. Shrimp may not come to eat immediately, please do not take it out early! Product sold as Generous amount at least 30 leaves.