btw I plan on getting these things so far:

http://cgi.ebay.com/ws/eBayISAPI.dll...tem=4383448150

http://cgi.ebay.com/ws/eBayISAPI.dll...sPageName=WDVW

http://cgi.ebay.com/ws/eBayISAPI.dll...tem=4353661642

That's a ballast kit (no idea if it's compatible), 400 watt gavita, and mylar. This is for my 3'x3'x8' closet for 2-3 4' northern lights. if im gonna put mylar on the floor should i put anything over it for spills and such or would that affect the light reflection?