MIKEMARTIN New member Mar 8, 2007 #1 I have a 150gal and running 3 400w mh. How high should they be from the top of the tank. Right now they are about 12-15" above. Is this to high? thanks!!
I have a 150gal and running 3 400w mh. How high should they be from the top of the tank. Right now they are about 12-15" above. Is this to high? thanks!!
kfowler Premium Member Mar 8, 2007 #2 That's probably at the limit but I think you'll be fine. Mine are right at 12"
