Quote Originally Posted by BBQHILLBILLY View Post
Very good info. I will be using MH with LEDs. Are you growing coral 30" or more down from MH? I was think of making a 1ft tall canopy to get away from splash and get more spread.
But I may have to goto 400W MH. lmk
My MH are probably 8" above the water (just low enough for me to burn my arm if I'm not careful) and I have acan's growing on the sandbed.