No, after vacuuming and wiping down, it's something with the grits I've messed up. Perhaps grinding down too hard on the edges to really take out the old finish that was hard to get to.
Hello All,
New homeowner here trying to DIY my floors.
I used my Porter Cable random orbital hand sander w/ a rented U-Sand Pro: (http://www.u-sand.com/u-sand/professional-sander.aspx)
I started w/ 40 grit U-Sand and then used the Porter Cable w/ a 40 grit to do the edges. At times I...