LOL. I feel stupid too, I didn't notice "fun' NOT SURE ABOUT THE KNATS BUT THERES ANOTHER GUY ON THE NEWBIE FORUM SEARCHING RIGHT NOW FOR HIS KNAT PROBLEM TOO. Never had a knat problem myself though. Sorry.
thye just flying around the plants, and shit... i have two of those hanging sticky things up and its about 50 knats on them.. they love the plant lights