Nemo23answered grow question a year ago You have white spots on the leaves. If it is mold, then it may be powdery mildew.
White Powdery Mildew is usually a minor annoyance that can be easily fixed, but if you don’t catch it early, WPM can turn into a catastrophe that ruins an entire marijuana harvest!
What causes White Powdery Mildew?
High Humidity
Low/No Airflow
Poor Ventilation
Leaf-on-Leaf Contact