Plant health issues

Maybe start a diary if you plan on sticking around. 😉 Nitrogen deficiency fits but those brown spots don't. Something else going on too. While browning can occur, nitrogen deficiency doesn't typically cause the formation of distinct brown spots on the leaves. Best of luck.

https://www.growweedeasy.com/cannabis-symptoms-pictures. (Self diadnosis) Nitrogen deficiency (not toxicity) Brown spot leaf won't recover. Ease into a little more N. It'll green up. Someone else will provide scientific details.