How high should lights be?

[MikeP]

Originally Posted by SeaHorse_Fanatic

If this is a reef tank, 175w is under-powered for a 30 inch deep tank. Ideal for 175w is 20" & 24" max, unless you're sticking with low to mid-light requiring corals.

I have my lights about 4 to 5 inches above the water line.

Anthony

Yeah I realize the wattage is a bit low, I will likely upgrade in the future. I will buy the right corals for the lights I have and I will place them higher up. I might try to build something for T5's or PC's that I could mount inbetween the two pendants.