Mikey P
Administrator
Bathroom floor.
Oxblaster and separate 40 vol did not scratch this black stuff.
These areas are low points on the floor so I'm guessing a water damage of some sort occurred and the funk sat too long.
David?
Oxblaster and separate 40 vol did not scratch this black stuff.
These areas are low points on the floor so I'm guessing a water damage of some sort occurred and the funk sat too long.
David?