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My understanding is that that's likely because of the lens angle on the light; lights with broader angle lenses have more even but weaker distribution while narrower angle lenses give more hot spots with faster drop off around the edges (think room light for broad vs. spotlight for narrow).Now I am more confused than ever as getting 350 on top with these lights is easy but keeping it at 150 below on the sand is difficult
I will take all the help I can and thank youMy understanding is that that's likely because of the lens angle on the light; lights with broader angle lenses have more even but weaker distribution while narrower angle lenses give more hot spots with faster drop off around the edges (think room light for broad vs. spotlight for narrow).
Ironically, the relatively even distribution of your light may make it somewhat harder here to get a good PAR range for the various corals. Maybe one of the more lighting savvy folks like @oreo54 could help figure out a specific fix for your situation.
Thank you for the input as I was worried I had too much parI bet that either lighting system would work well. I also bet that most of the corals (and especially the clam on the sand) would do better with the T5’s.
Yeah I just wanted to get setup for when I cut the lights on because I am just now getting a couple fish.if you have both already use both. if one isnt purchased yet, say only the numbers in yellow, the unos, then that itself is sufficient for a mixed reef, with sps, zoas, and lps. all sps would be fine except acros. thats the one single coral you would need both for. if your ok without acros, as there are lots of other sps, then you will be fine. one tip, dont even think about adding acros until you see corraline algae growing. acros need stable, stable, tanks.