Any idea what this leaf issue is?

Growin4fun77

Active Member
My Motorbreath 15 throws a few of those every grow and I've seen no adverse effects from it. I'm thinking it's genetics as others have mentioned. Mag deficiency is usually gradual and doesn't just effect half of the leaf. It happens more when my tent is overcrowded which could mean it's triggered when leaves are over lapping and causing a very moist microclimate. Keep an eye on it but I'd say it's nothing to stress about.
I second this. 2/3 of my zkittles are throwing these. They showed more often as seedlings/early veg when humidity was high 60-low70% range. Additionally in late veg/early flip I was lazy about setting up a dehumidifier. I hit 69-72% RH for 3-4 days and a few more popped up on random branches.

They all but stopped after my first big defoliation + beginning to run the humidifier consistently. Only one more has popped up since.
 
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