small indoor grow lighting

So I've decided to get a new 48"x24"x60" grow tent and I'll have 3 small plants growing under 3 125 watt CFLs. I have a little experience growing but only one plant at a time so now that I'm moving up I'm not sure what to do about ventilation. I also need to get rid of smell so could I just put...

Hello All- After moving and breaking out the tents again, I finally have everything going. My 400 watt HPS needs a new bulb and I ended up buying a LED instead.( This one...