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#13
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There is a lot of difference based on distance and whether it is in water or not. Variables aside, I think we can pull from this the fact that a 250w Iwasaki is at least 50% more intense, PAR wise, than a 400w Radium.
So if you are swapping the more intense 250 for the less intense 400, you should take precautions to safeguard your corals! Agreed?
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Brad |
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