I have 4 white widows in the 5th week of veg. They`re in a closet of 80cm lenght, 50cm width and 160cm hight (very small i know), in 3 gallons pots with bio-bizz all mix soil, under 150W MH light. I have 3 little fans but i can`t get the temperature below 30 degrees C and the humidity is around...