Tan spots on fan leaves. Leaf Septoria, phosphorus, or ph fluctuations??

mkweed

Member
Hello, Trying to figure out what these yellow spots are on my fan leaves. They are whitish/tan and all over the fan leaves. My leaves are also dark green and slightly drooping.
IMG_5266.jpgIMG_5268.jpg
I don't see any insects or critters running around on them.
Leaf Septoria - Anyway I could verify this might be a fungal infection or something of the sort?
Phosphorus
- I use Advanced Nutrients Micro and Grow. Plus Pysco Zyme (live culture). It might need grow nutrients
pH fluctuations - My pH is typically is around 5.8 or it at least always gets around to that after a few days.
These three the closest I could find in symptoms.
Would love to hear back from anyone!
Thanks!

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