Need Help Asap

Here is some pics of my plants outdoor on my deck.


I have Brown patches forming on the bottom leaves of my plants and it is getting worse.

i need advice on what the problem might me.

currently have indica strains. total of 16 plants all between 6-9 weeks old in 2 g pots outdoors. soil could have been better as it was from my garden that i never grew in but soil was a year or more old.

i figured that if the soil was shit they would not have gotten this far.


THANKS EVERYONE

Have you been feeding it any ferts?

Yes, I started with half doses of mg, then got some rosebud or somthing that and more broad spectrum nutrients. Can't remember name lol label peeled off. Came from canibis culture

that looks more like splash damage to me.

Hey, I thot that first but it started on other plants on top leaves so it has to be somthing else. Also I very careful about splashes