Leaf problems on my dws grow

!this is in a dws. The leaves changed over night. The PH was a little low but still in range. 5.56
I changing nutes right now and will make sure its at 6.0 ph20230101_070831|500x500

How about some pics in white light of the whole plant?

Some particulars of your grow would also be helpful. Lights, nutrients, temps etc.

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Is it possible fan burn or lights too close?

I use general hydroponics nutes. I have 600w led lights. And the temp is about 80 when the lights are on. And upper 60s in the dark. And the fans arnt to close. It looken fine yesterday. It did this overnight.

One more picture