Okay, these appear to be great healthy roots. The fuzz is not a problem, as long as you are seeing lateral root growth as well. Good job!hey,
the plants are young, on drippers at the moment but the roots are hanging and there been there since they were 2/3 week old clones and had no visible roots maybe 6 weeks old now.
Bob
Good call KmkIt's a type of mycorrhizae... Extremely beneficial too your plant! Looks fantastic bro!
It's not mold...