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Discussion Starter · #1 ·
Since 20K's put out so much blue light are Actinic's nessacery? What is the ideal setup for a reef tank including SPS and some soft corals? Right now I run PC's and while everything looks good, it could look better with the right light. The question is, what is the right light?

i think 10k usios are the ideal light weather 175w or 250w
if you go to 1 400w id go with radiums imo
10ks are a more whiter and more crisp look
i however prefer the bluer look the 20ks give so i will be swtching to a 20k bulb here shortly, an i wll be suplementing actinic
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