I’m looking at an ATI fixture for my 40g breeder and am doing a lot of research. The tank will be almost solely LPS, with some softies. Looking at ATI’s charts, it says that a 24” fixture can easily light a 36” wide tank. A 36” fixture has a 40g at the low end of what it will light. So here’s my question. What would make more sense, a 24” with say 6 bulbs for more color variation, or a 36” with 4 bulbs to cover the length of the tank. I may add the reefbrite LEDs for some color pop later. My goal is great LPS growth and coloration. Am I thinking about this right? Any and all suggestions are greatly welcome!
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