White powdery stuff at bottom stem

Northman

Active Member
Hi everyone im a new grower from the far north of Europe.

I just got my first clone 3 days ago. Its in a grow tent with 250w cfl light.

I got it with alot of roots and planted it in a small pot with low nutrient soil and good draining. Temp around 21-25 celsius / 70-77 farenheit. Air Moisture 50%

After i pottet my plant it got a few leafs with yellow tips, but thats expected. Other tjan that it seems to be doing great. Watered the first day and third day. I check if soil is dry and by total weight.

My question is: at the bottom of the stem it somerhing white and powdery has appeared. Look at photo. What could this be? Fungus or just rooting?

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