Why we shouldn't worry about CO2

[TC]

http://www.breitbart.tv/seeing-is-believing-how-do-plants-react-to-42-days-of-elevated-co2/

Sometimes seeing is believing.

But then its always been an old growers trick to supply your plants with extra CO2. ;)

[Barry Donovan]

Re: Why we shouldn't worry about CO2

now if they'd stop letting engines choke on themsleves and let the one fire out..the plants would be happier too...
but no..gotta hide the co2 with recycled nitrogen nuclear oxide. :


mmm... egr valve on my brain. :o