Tank is a 46 gallon bowfront. I have heard of people using only a 20W light on 30 gallon tanks and successfully keeping live rock, so would this light work on a 46? The logical seems yes, but I want to double check. Each light is 21W.
http://www.bigalsonline.com/BigAlsU...2/cl0/coralifeswt5aqualightdoublestriplight36
http://www.bigalsonline.com/BigAlsU...2/cl0/coralifeswt5aqualightdoublestriplight36