
Originally Posted by
deranged chipmunk
Doubtful that it is the lights. I grow ferns under t5ho and LED lighting. Yellowing leaves most likely are from a nutrient deficiency. How long has the plant been in the tank and what is the humidity level. It is quite possible it is acclimating to it's new environment. But normally the fronds would rot and die off if that were the case. I would still lean towards a nutrient deficiency.
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