Help! Is this mold?

/r/Mold is an educational and informative subreddit for redditors trying to deal with mold in their homes, apartments, work places, etc. It IS NOT a place to have your mold identified. You need laboratory analysis for that. And DON'T POST PHOTOS OF DIY PLATES/TEST KITS

Help! Is this mold?

We are all things flooring, from the life of a contractor to the hard working DIY'er and everything in between. Share your work, questions, ideas, or anything flooring related. We are here to appreciate work and answer questions.

Help! Is this mold?

Discuss all types of hardwood flooring here...