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    Newbie with Negative Pressure Question

    Just finishing off flower room and noticed as soon as the door shuts air builds behind my panda film. Not coming off the walls but it is ballooning. Is that a good amount of negative pressure or too much? I have an 11x11x7 with an 6" can fan and filter (stepped up to 8") cooling two 8" 600w mh...
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    Using a Vaporizer in Grow Room and need some help...

    In the midwest we are dry and cold so we added a vaporizer and now have an avg rh of 75% for our little girls. Problem is, now I have water sitting on the floor and on the panada film and I do not want to create any mold issues. Is this specific to a vaporizer or would I have the same issue...
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    First Grow, A Bit Nervous. Please Take a Look

    Just turned two weeks old. Have under a T5 24/7. Been adding humidity to bring to 65%, temp avg was 77f, raised T5 last night now temp is down to 70f. A bit yellow, a small brown spot on one leaf. How are we doing???
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