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Another Crazy Reefer
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Discussion Starter · #1 ·
Hi, if I want to light a 19 inch deep x 13 inches wide x 24 inches across with LEDs for SPS in the top 12 inches, would 12 3 watt crees be enough? Also, do royal blues put out the same PAR as a cool white? Do they put out any PAR? Thanks!
P.S. These have 40 degree optics so I can lower them down as much as I need to to get a good bit more PAR.
 
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