After chatting with a nice gentleman at Reefers today, he sent me a url comparing Blueline vs Icecap Metal Halide electronic ballasts. Just thought I would pass it along... http://www.animalnetwork.com/fish/library/articleview2.asp?Section=Aquarium+ Frontiers+--+Product+Review&RecordNo=1099 Daphne in (thank goodness it is finally raining) Atlanta