1st grow and super excited but need a little info

i just started whats gonna be my first grow, indoors (hopefully won't get caught) but i have a few things i need sorted out and hope you guys can give me the info i need. im gonna go as organic as possible, im gonna have to take a hybrid growth process, ie light-artificial, nutes- organic as i can keep it, my main thing i believe (and feel free to add things you think are important) i need help with is getting co2 to the plants (a diy at home cheap as shit type deal) oh also, the MOST important thing i need to know is light timing for seedling growth period, veg period and flower period, if you need more info no problem just let me know

I'm a newbie as well and there is a whole section and thread dedicated for this.

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i agree with mojobud however ill just answer you questions, Co2 you can use sugar, yeast, and water to make co2 but its not very effective, the best way to get co2 would be to buy a co2 tank and regulator or theres a bucket that works for three months i believe. Co2 stuff can be bought here http://www.igrowhydro.com/Co2-Generators-and-Injectors.aspx.

Veg time should be and can be (on/off) 18/6, 16/8, 24/0 i would use 18/6 or 24/0.

Flower is 12/12