MH lighting sysetm and filter

[Aquattro]

Originally Posted by Willow

6500k? can coral even grow at that temp?

6500k will probably give you the fastest growth you'll see in a tank. The Iwasaki 65k are the brightest bulbs I've seen. There way too yellow for my liking, but they crank out the PAR! Not sure how they'd compare to Coralife, but yes, 65k can grow coral well.