Occasionally, I will send a message out to one of our members that their CO Detector is beeping.  Usually i receive back a request to please have someone remove the battery for now. After reading this article, i wonder how many of those remember to replace the battery before their next stay aboard?  Boat U.S. says Carbon monoxide (CO) needs special mention. It can overcome a person so quickly it can be fatal in just minutes.  Read more……