Quote Originally Posted by marijuanavillebilly
what is the earliest you can get a plant to show sex?
After about 6 or 8 nodes you can usually presex, depending on variety and conditions. Search presex for better info, but I've done it and it's pretty easy once you get the hang of it. At each node there will be a little ball, gently peel off the out layer with a tweezers and look at what's inside with a magnifying glass. If there are hairs then she's a lady, if there are balls he's a male. Of course at any time you can also switch to flower mode, or even make one branch switch by covering it or the rest of the plant with a lightproof bag, and giving the branch it's own light schedule. Within a week or two of doing so, gender will become very apparent. Then you can dump the males and revert the females back to veg or continue to flower them.

I save the good cat litter containers and use them for all sorts of stuff. I think they hold 4 gallons, and they work very well for a DWC set up for an individual plant.

Temperatures in the 70s at night are fine. You don't need a temperature fluctuation, it's just OK to have one.

Be careful, if the soil dries out she should probably watered, not misted.

Bozo is right about the colors of light. The best is 5700K for vegging and 2500K for budding, but you probably will have to settle for 2700K. It's best if you can have a mix of about 85% blue and 15% red for vegging and the opposite for budding. Blue promotes bushiness, but you can still get pretty good results with all 2700K, the most common and least expensive CFL.