Carbon Monoxide: The Silent Killer

Carbon Monoxide (CO) is a colorless, odorless gas that is heavier than air and lighter than water so it sits on top of the water’s surface. It only takes a few breaths to kill you. That’s one reason you should always wear a life jacket when boating and swimming around boats.

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There’s a silent killer out in the water and it’s called carbon monoxide poisoning. Carbon monoxide is a colorless, odorless, and tasteless gas. It comes from engines, gas generators, cooking ranges, space and water heaters. Carbon monoxide poisoning symptoms are similar to seasickness or alcohol intoxication. Whether you’re fishing, riding along, hanging out, or having fun on the water, if you’re not cautious, carbon monoxide can make you sick in seconds. In high enough concentrations, even a few breaths can be fatal. So, turn off the engine. Know where and how carbon monoxide may accumulate in and around your boat. Because if you can smell exhaust fumes, carbon monoxide is present. Go to for more information about carbon monoxide poisoning and prevention.

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