Yellow curled leaves with brown spots

[Cannabutterred]

I have a 7 week old clone that I have noticed slowly looking worse and I figured I would see if anyone had any ideas. My light is about 2ft above the plant and is only a 100w hydro mars. My watering is as soon as the top soil is dry to my first knuckle so if anything it is watered too often.

 

[NorthernOrganics]

Are you feeding it at all?

 

[Cannabutterred]

Are you feeding it at all?

I have only fed calmag plus but when I posted the thread I had fed with fox farm veg nutes

 

[NorthernOrganics]

You are overwatering if you aren't letting the entire pot dry back. You are only driving this plant with 100 watts of light, so it's not up taking a lot of nutrients. Are/were you feeding it full strength nutes? Are you watering to runoff? You probably have salts built up in the soil causing lockouts.

 

[2Bad]

Could be excess calmag