Little help

[Lizard0420]

Just wanted ask opinion what this is They are autos soil happy frog little over month and half old is it deficiency or burn I’m new to grow I’m not trying to get it perfect

 

[Nixs]

I'm not an expert, my guess it needs some K, Potassium.
Wait for some more experienced members to diagnose. Need to provide more info about grow medium, environment, feed and water.

 

[Lizard0420]

Thank you

 

[Nixs]

Thank you

Sorry I mistyped my post above, I'm no expert

 

[budman111]

Looks like a Magnesium issue to me.