Using this Reptizoo Reptile Cricket and Powder Blender is easy. First, open the switch - top by rotating it. Put the insects and powder into the container. Then, close the top and gently shake the container to mix them well. You can control how much powder is used by adjusting the opening of the switch - top. When you're done mixing, just open the top a bit and pour out the insects. As for maintenance, you can simply wash the container with mild soap and water after each use. Make sure to dry it completely before storing it. Also, be careful not to overfill the container as it may affect the mixing process. Keep it in a dry and cool place when not in use.