Just out of curiosity, what should I be looking at for the number of LED's? For PAR38's, I have the exact same tank as the reefcentral thread, which is a 125 gallon. He suggest using 7 PAR38's. That's only 49 led's, and all XR-E's. Modularled has a kit for a 4 foot tank that has 72 LED's in it, but now carry the HO XR-E's, which, I would assume, would mean I would need less. Reading some theards on reefcentral, they recommend even higher numbers though, which is where the numbers came from my initial post. My tank is 24 inches deep, I have 2 clams, RBTA, frogspawn, and soft corals.
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