Thanks Darksome & Joycould! It will look a lot better when I get the extra plants out of there. 
I found it at Fry's Electronics. They have an online store. If you google ECO bulb U shape screw in you can find lots of places. I've only found them in 2700K but the plants still grow fine.
http://www.google.com/search?q=ECO+bulb+U+shape+screw+in&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US
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I found it at Fry's Electronics. They have an online store. If you google ECO bulb U shape screw in you can find lots of places. I've only found them in 2700K but the plants still grow fine.
http://www.google.com/search?q=ECO+bulb+U+shape+screw+in&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US