Did you aclimate them to your lighting? Do you have UV sheilded glass for hqi. Maybe you fried them. Nitrates could be lower but no big deal.
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72 gal bowfromt mixed reef sps dominated, 25 gal mineral mud type sump/refugium Skimmerless
2x250 14000k phoenix hqi 2x96 pc actinic, 50x flow
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