Puffco Peak Pro atomizers are one of the most popular e-cigarettes on the market. They come in a variety of colors and styles, and they can be used with or without nicotine. To clean a Puffco Peak Pro atomizer, first remove the battery and unscrew the top of the atomizer. Then remove all of the parts that hold the atomizer together: the 510 connection, the spring-loaded 510 connector, and any other screws that may be holding it together. Next, use a mild soap solution to clean all of the inside surfaces of the atomizer. Be sure to use plenty of soap because there is nicotine in these devices. Finally, dry everything off by shaking it off and putting it back together again.