How_do_i_add_ventilation_to_my_grow_area

How_much_ventilation_do_I_need_in_my_grow_room

what-temperature-will-my-growspace-get-and-how-much-ventilation-will-i-need

kps-cannabis-college-cannabis-issues-facts-guide.html#post1134105 Indo enviromentals the meat of this one for ventilation is right in the middle of post 5

read motherfucker search too