Deformed fan leaf and brown spots?

  • Thread starter Bauhinia
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Bauhinia

Bauhinia

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This is my first time growing, and yesterday I noticed these brown spots coming out on only one of the fan leaves. The deformity on another fan leaf has been evident since it first came out and I've been trying to fix it but nothing has worked. This is a single 5gal DWC grow and the plant is in its 3rd week of veg. I use GH nutrients and Hydroguard with pH'd tap water. I maintain the pH between 5.8-6.4 and the ppm I've been running around 400 (I ran it at 600 for its first two weeks but with the deformed leaf I tried fixing it by dropping some nutes but that hasn't worked evidently). Temps for the day are usually 77-80ºF, at night 70-72ºF, and the water temp runs at 72-73º during the day. The roots I believe are fine, the slight browning isn't slimy or smelly so I don't believe it's rot? Any help is appreciated, thanks!
 
Deformed fan leaf and brown spots
Deformed fan leaf and brown spots 2
Deformed fan leaf and brown spots 3
Deformed fan leaf and brown spots 4

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