I am looking at a couple of lights on ebay for a 20 gallon long reef tank. One is a 30" 3 X 65 PC
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190263984829
And the other is a 4 X 24 T-5 HO with individual reflectors.
http://cgi.ebay.com/30-Aquarium-Light-T5-HO-4-x-24-NEW-Moon-Lunar-Reef_W0QQitemZ170267737231QQcmdZViewItem?hash=item170267737231&_trkparms=72%3A1205|39%3A1|66%3A2|65%3A12|240%3A1318&_trksid=p3286.c0.m14
The PC is almost twice the wattage, but I have heard that the T-5 HO could still be putting out more light. Any opinoins?
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190263984829
And the other is a 4 X 24 T-5 HO with individual reflectors.
http://cgi.ebay.com/30-Aquarium-Light-T5-HO-4-x-24-NEW-Moon-Lunar-Reef_W0QQitemZ170267737231QQcmdZViewItem?hash=item170267737231&_trkparms=72%3A1205|39%3A1|66%3A2|65%3A12|240%3A1318&_trksid=p3286.c0.m14
The PC is almost twice the wattage, but I have heard that the T-5 HO could still be putting out more light. Any opinoins?