Only for some. I love my 100% LED tank. My SPS grow, uncrust, improve in color once I bring them home from the LFS and pay for themselves with store credit. I do not buy corals or equipment out of pocket anymore. LED's grow SPS for me well enough to pay for my 450 gallon system.so using only Led is Regret for sps keepers.
Maybe for you, but this statement is absolutely untrue.LED'S are great for making existing color pop. But t5 and/or MH are needed for growth and coral coloring
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