Hi , I had a contractor redo my hardwood floors--one room came out looking very dull , products used were mahogany stain or dark cherry then two coats of poly , this room looks like extra wax is on it . contractor skipped. I thought I could use a fine grit and redo another coat of poly. but would like thoughts on this. I have redone floors in past . I found anti freeze cans in a closet and oneof the poly containers was new quick dry the other ( my specified preference ) was old school poly ? help thoughts? will redo whole floor but really really dont want to right now.