still training puppy so he has had a few accidents in the utility where he sleeps, i was mopping the floor this evening and thought the floor smelt a bit pungeunt. lifted lino and there are big wet patches in 3 corners of the room. i have binned the lino and moved everything out of there but does anyone know how i can get the urine and smell out of the concrete??? please tell me im not stuck with this. TIA