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- Jun 29, 2016
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hi guys, does anyone use kessil ap9x in combination with led bars? which bars do you use? I have two kessil ap9x on a full sps 48x24x24” reef tank. i measured the par and they are really good values for my sps. so i'm wondering if it's really necessary to add a fill light, as sps love diffuse light. if necessary, which Led bars do you recommend? two reefbrites or two orpheks? I keep my kessils 10 "away from the surface of the water. with this height which Led bars would be more suitable?