Hello, about a week ago the main stem of my plant bented and i wrapped it to let it heal, but some days ago the leaves started curling down and i found this brown/black spot on the lower ones, the ph of the water is about 6.1 and ec is at 1.4.
Can someone help me?
Open
Leaves. Curl down
Leaves. Color - Black or grey
Plant. Stem - Weak