The tighter the degrees the less the angle and more penetration you get so 80 degree optics have more spred then 60 degree optics
The lights is probably why the zoa's are browning out the new lights should help
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything
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