Myka i do partially agree with you. Some people are too concerned with par but I was just stating what I have read from research articles and test done with Par and coral growth. It is a fact that most sps or corals in fact will grow faster with more light aka higher par numbers. But there is a limit to this, after a certain point they become saturated and photo inhibition will occur and it can be harmful to the coral. 600 par is not that high, and 100 is actually very low. Put a sps frag on your sand bed vs. 4 inch from the surface and see which one looks better and grows faster.
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