cellowithgills;4825760; said:I must respectfully disagree. But that doesn't mean that some people are able to keep anemones with lower K bulbs. I can just speak from what I've seen work.
This is a good article to read on the concepts of ligh temperature (measured in kelvins), light intensity (measured in lux/lumens) and specially on Photosynthetically Active Radiation (PAR)
http://www.americanaquariumproducts.com/Aquarium_Lighting.html