Lighting intensity questions (Red Sea LED 90)

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dnprall

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(this is a cross post; forgive me this is looked down upon)

My tank was set up in December 2022 and when my LFS did so, they used the 15K program but at 50% intensity (not the 100% like the default program is set).

I'm looking at the PAR mapping done by Bulk Reef Supply on the 24" cube tank (mine is a little smaller) ( https://www.bulkreefsupply.com/cont...his-is-the-red-sea-reefled-brstv-investigates ). They ran the 15K preset at 100% intensity. Looks like even at 6 inches below the surface in the center, an SPS might be happy but there doesn't appear enough PAR further from center. This might explain why a small SPS failed on me (one of several things I'm sure) since the PAR at 50% likely was not nearly enough.

My question: Do I run the risk of harming my tank by just doing the 15K preset at 100% intensity? I'm not sure why my LFS started at 50%. Any pros/cons? Increase risk of algae/cyano/etc? (I have some cyano right now).
 
I don't think so? I think it will be fine. Also, algae (and cyano) are not limited by light in a properly lit reef aquarium. I probably wouldn't jump straight to 100% from 50%, so an acclimation would be better
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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