These are my reading for a 48"x18"x24" I'm using Reef Radiance 155e and Aquamana COB w/moonlight. I did notice dramatic drop of par comparing both lights. Thanks LARS for helping map out my tank. These is a temp. tank until next week when I set up an upgrade.
*lights are hung 12" off water level
*I'm try set up a spreadsheet later
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