White Fuzz on roots

Ok so the white fuzz that was on my seedling root has now disappeared but my seedlings that have been transferred to the res today has the same white peach fuzz on it's root also. I hope the people that are telling me it's root hair and, that it's normal, are right. Check out a pic of my fuzzy root here.

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looks a bit mouldy my man - keep the light away from there and anywhere water or moisture will be
move those clay pebbles over ur jiffy lookin plug ( all of this is pointless if u moved it away for the photo op tho haha)

yea, kinda looks like mold. but i'm not 100% Sure.

what are your conditions like? temp, etc.....

how did you notice it? are you one of those people that just can't help but touch their plants 24/7? haha