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    grow room too hot. temperature toooooo high... help.

    Hi guys. i got 18 plants in my grow tent (5x10x6.5), with 2 1000MH light not air cooled. and i have a exhaust fan with carbon fiber filter. the temperature went up to 100 degree F. and it never went down. its my first time grow. really need help. do i need a air conditioner?