I have a 4x4x7 grow tent and 2 non cooled 400 watt hps lights. My question is can I vent those non cooled hoods some how? I have a 400 cfm blower fan and carbon filter too. Should I just run with 1 400 or 2? I have to keep temps down so i didnt know a way to cool those lights down with out holes and flanges on those lights. I just spent some money so Im trying not to buy anything else for this grow. Any suggestions or/and advice? Also, how do these plants look for 4 weeks old????

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