I spoke to my neighbor who is a heart/lung specialist, but not a reefer or marine biologist. I also showed him this thread. He said that there has been research done on the effects second hand smoke has on animals in the home, and there is a correlation between higher incidents of issues with household pets, in a home where someone is smoking.
I'm not sure how that directly relates to a reef tank, but he was of the opinion that the smoke from cigarettes is toxic, and that at some level, over time, it would only make sense that it enters a fish tank.
His other comment was that some of the folks posting here were making an effort to not smoke near their tank, for fear of harming it. he found this ironic, that a smoker is more worried about a replaceable fish tank, than their non replaceable human life. He was adamant that smoking and vaping is not safe, and encourages all of you to quit. (Just repeating his comments, don't flame me guys)
There's even studies that show third hand smoke is likely harmful. The residue left on objects like car interiors, furniture, etc., is suspected to be harmful.
I quit over 10 years ago, wish I would have never started
. Edit to add I looked soooooooo cool lunging down Camels.
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I try to make certain that I don't have chemicals on my hands or use them on the tank -- but in the air?! Wow. Good to know. Thanks.

