By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
Its powdery mildew. Its afunghi.. mostly you get it from other Plants in the Garden like zuccini.
https://www.growweedeasy.com/cannabis-plant-problems/white-powdery-mildew
greetings