Hi there Zack here returning to hobby after 10 years away I only have about a year of experience so still have allot to learn I recently bought and started a 120 gallon aquarium and have a 40 gallon sump which I put a peice of acrylic in to create a refugium and I repipped the overflow so one is running slower for the new refugium I will not be adding alge barn kit till a month or so so just live rock inside now the measurements of top tank is L48xW18xH32 I had a question this tank is deep what power Led reef light is recommended and will 2 be okay?