Light Greenish spot on top leaf

ady77732

Member
Hi guys. I have spotted some light greenish/yellow spot on the top leaf on one of my plant this morning. The other 7 did not have it though.
I forgot to turn on the humidifier last night and found that RH spikes up to 82% so maybe this was the case?
All plants are autostrains, 18 days from seed, 240w cob led 30' away, RH low 40s during day 60s night, Temps 25-27C day 22-23C night. Planted on soil and no nutes yet.

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