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Originally Posted by dirtyshawa  i just read the thread with the homemade co2 generator and i was wondering if u can give your plants to much co2. i'm thinking of making the 2litre version without the hose, putting my plants in the closet uncap the botlle and close the door releasing all of the co2 and repeating every night of flowering. thoughts on this idea would be much appreciated this is my first grow.  |
It won't do you any good to release co2 at night if your lights aren't on.