CO2 sources? I need some

hmmm -- is this like those tabs we used to call "fizzies"?
They were fun with a cat and a lot of spare time . . .

http://boards.cannabis.com/showthrea...528#post677528

Quote:

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Originally Posted by karmaxul

If you use tabs for CO2 do not mix with organic nutrients or in the soil as CO2 can sufficate microorganic forms of life

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As far as I understand, you just put in a glass of water and the fizz deodorizes the air and adds CO2. It does recommend that you place it above the light source since CO2 is heavy.

-Winks

That makes more sense, thanks. I never used them before.