Using the MSR Reactor Coffee Press Kit is a breeze. First, place the coffee grounds in the pot. Then, add hot water and put the lid with the strainer disc on. Let the coffee steep for a few minutes. Next, insert the plunger and slowly press it down to separate the coffee from the grounds. When using the pot without the coffee press, the lid still seals well. Make sure not to over - press the plunger as it might damage the strainer disc. For maintenance, wash the parts with warm soapy water after each use. Let them dry completely before packing. This will keep your kit in good condition for your next adventure.