These brown spots/rust what are they? I already gave calmag last week but it didn't stop.
There are 4 dwc plants in my grow tent, all with the same feeding. This is the only plant with problems, the others are healthy so its probably strain related.
What's your opinion?
Thanks in advance!
DWC + LED Lights
Strain: Acapulco Gold from Barney's Farm
Nutrients: Silicon + CalMag + Ionic Bloom + PK Boost