Dry Pack Regeneration: When the Dry Pack has turned pink is is time to regenerate the pack for continued use. To regenerate: Place the pack in your microwave oven and microwave on 50% power for 30 seconds. Wait 15 seconds and then microwave again. Repeat the heat and rest cycle until the desiccant beads turn deep blue again. DO NOT HEAT FOR MORE THAN 30 SECONDS AT A TIME. THE PACK WILL OVERHEAT AND MELT. Desiccant Single Dry Pack P/N: FP328