What is wrong with this fem?

Hello everyone,

this baby is about 2 weeks old. Up until two days ago all seemed ok with her and suddenly she started changing the form of it’s leaves. They look harder than they used to, not dry but a bit bulky and bubbly. Nothing has been changed in the last two days in terms of light, humidity nor nutrition. I am sorry for the picture, it is a birds-eye view. It’s supposed to be a GG#4.

What system are they in, what are you feeding them, ppms, ph, light, how close?

93OG said:

What system are they in, what are you feeding them, ppms, ph, light, how close?

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The light is about 30 inches away, they are on hydroponic drip on clay pebbles. All is by the book and as instructed as the rest of the plants are thriving but this one. Ph is 5.8.