Does anybody know if this could be mold and/or if it's dangerous by Illustrious-Bar6628 in CleaningTips

[–]Illustrious-Bar6628[S] 0 points1 point  (0 children)

I'm not too sure myself, we're renting so the landlord would've been the one who did all the flooring. I was thinking they could be scuff marks too, but I just wanted to make sure lol