Doing my first grow and already having trouble keeping my temps up in room with cold temps outside I use a 400 watt mh/hps light and have been leaving it on 24/7 to keep my temps dro Dropping to low.. What's is the best thing to do to keep my temp at a steady range so I can switch my light cycle to 18/6
I don't imagine the heater will dry it out any more than the light will. It might drop the humidity a little bit, but probably not enough to cause any problems.
you can get a fan heater with a built in thermostat , set it for your lowest temp, many ways to raise your humidity personaly i put water all over my grow room floor, but a simple bucket with a fish tank heater will work on a smaller grow room, and humidifiers are cheap. middy