Reactivate the desiccant: Check the peek window on the side of the aluminum case. If the bottom of the window is blue, it is still available. If the bottom of the window is pink, reactivate the desiccant as follows. Place the desiccant in a breathable oven heated to 300°F (about 150°C) for 3 hours. Or, it is OK when the window becomes blue.
Absorbs moisture in the case.
* This does not work outside the home. * Can be used repeatedly.