These rusty spots are spreading all over the plant.
It began with the lower fanleaves and has now begun to show up all over the plant (not the newest growth tho).
Runoff PH is good.
Temps are 25-26°C day and 22° night.
Rh between 60%-65%.
Open
Leaves. Color - Dark-purple
Leaves. Color - Dark-brown
Leaves. Color - Black or grey