need help with lighting and humidty

i have a 600w hps light my grow room is 3x3x3xfoot and i haveing proplems with humidity its 0 i dont have a exhaust fan or nothing yet i was think about getting a cooltube and duction fan im growing white widow will this help the temp is like 94 under light if i buy a cooltube can i use the 600w hps from start to finished (using seeds )

yes adding an exhaust fan will deff help out big time with the heating issuse, depending on humidity, you can use either a dehumidifier or a humidifier they also sell combo ones as well. never used a cool tube, i just hooked my exhaust fan and duct up to the mounts on my light it came enclosed with a removable glass.

I have a problem with too much humidity in my tent, 1.4 x 1.4 x 2.0, I have a CFL, 130 w, 27000k, should i turn the extraction fans on, they are quite loud?

its interesting, I think it just depends on the weather, today it was really dry and there was no condensation, i also opened up some more of the vents to let the air flow through, all seems good now.

I have 2 400w MH lights and it can get pretty damn hot. I need to get some more ventilation also, but my humidity stays at 40-50%, I just switched to the MH lights so I am kinda curious if it will dry it out more