I will let the pic's in the link do the talking.
Thread is pretty long ,but lots of good info.
http://www.reefcentral.com/forums/showthread.php?s=&threadid=1487484&perpage=25&pagenumber=1
Thread is pretty long ,but lots of good info.
http://www.reefcentral.com/forums/showthread.php?s=&threadid=1487484&perpage=25&pagenumber=1