Well lets see....Hmmmm, I have a natural gas stove, natural gas double oven, natural gas hot water heater, natural gas fire place, natural gas furnace/ac handler in the middle of my living room area...fuck man I even have a natural gas alarm clock and toilet and I'm still walking and talking bro. You think I'm gonna divert a little CO2 from an exhaust stack into my air tight sealed grow room and not take precautions???? Been running it for over two months and the only problem I am having is now I have twice as much bud to trim!!! And just so you know , I do hae CO monitors in my grow room and in several rooms in the house for safety. I had them in place 1 week after I bought this house 10 years ago!!!

You welcome OM...But the credit goes to David Oppenheimer and his artical I read called "CO2 For Free". Google it, it's a good read. ANd this addition to my perpetual SOG flower room has exploded production as compared to pre-CO2. If Oppenheimer was on this forum I'd ++++rep the dude

I laughed at how many people warned you to have detectors and shit after it was already discussed, just proves some people can't read

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My Satirical Fictional Grow:http://www.rollitup.org/cfl-growing/...ml#post3190761

lol code violation. we are producing marijuana my last worry is a building code violation. I already have a co2 gen so it's not like I need to do it but c'mon a building code violation lulz

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I have the urge to drink another fif and let shredded cheese melt all over my hairy chest cuz I'm hawt awwwwooo.

I want to also agree with the one who said to put carbon monoxide detectors in all your rooms if your doing this.
Carbon monoxide is lighter than air, so a carbon monoxide leak will actually start filling the upper areas of a building. You may have safe or no reading in a basement room while a 2nd floor may be building up dangerous levels.
"IF" you happen to notice something is going wrong in the building, e.g. being tired, and others feeling sick, you may have VERY LITTLE time to get out into fresh air. Even then, if you get out you may still have enough carbon monoxide in your body it could be too late without medical attention. The carbon monoxide in your system will actually cross the lung blood barrier easier than oxygen and it will prevent new oxygen from getting into your blood stream before the C.monoxide has a chance to leave your body.

How do I know? I got sick from it from using a kerosene heater that malfunctioned. I woke up like I was drunk, and the windows had a soot layer on it. The wick was not adjusted right.

This is some dangerous stuff. Tread lightly on taking risks with it.

He does have a Carbon Monoxide detector...where the pipe comes out..if enough was coming out to be a problem he would know right away

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My Satirical Fictional Grow:http://www.rollitup.org/cfl-growing/...ml#post3190761