Help. Leaves are turning yellow with brown spots. Some on top are curling up a bit.

[Floody709]

LeD light
water twice a week
Emerald harvest 3 part nutrients plus Calmag once a week
week 7 of veg
Help me please

[Tersky]

It sounds like it might be light stress mixed with a deficiency. Check out https://www.growweedeasy.com/cannabis-symptoms-pictures to get a better idea.

[gbauto]

Need some more info.
Medium you're growing in and are you checking pH?