God dag Morten
I plugged some data into Sanjay's reef lighting calculator, and indeed there is a big difference.
I'm a big fan of the XM SE, both in 400 and 250. The 400 on HQI has a CCI of over 13k with amazing PAR.
Try the calculator to plot SE vx DE
http://www.reeflightinginfo.arvixe.com/select2lamp.php
John
__________________
John
www.reefkeeping.com/issues/2007-03/totm/index.php
Current Tank Info: 200 DD, 400w halides, low tech
|