Bright yellow spots and curling leaves on my auto

yodan69

420 Member
Hey guys,

I've been noticing some strange changes in my auto's leaves. Some leaves are curling upwards and have bright yellow areas. In some of these bright yellow areas are darker brownish spots.

Personally I think it could be a Mg deficiency or nuteburn. Either way, I added some cal-mag and lower the ec level.

Some information on the plant:
It's a sticky beast auto, 28 days old, grown in hydroponic. the ph is 6.0 and ec level is 0.8. I use the flora trio from GH but much less of it, the ratio between them stays the same however.

Cheers
 

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