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I live in the desert and our temp. here has been in the 90s dry but hot. I turn off my lights at noon. Plants are still growing about 3 inches a day. I have great ventilation 747CFM in line fan a 600 watt cool tube, and inside tent small fan. Air replaced in my tent 8 times a min. I could blow dry my hair in that tent. Negative air pressure sucks in the sides of my small tent so much I wonder if it will turn inside out!. So far plants seem to take the heat in stride. No evidence of leaf curl or anything else for that matter. Tent has 2 -8 inch vent ports on bottom covered by fine mesh
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