We moved into a house that has old oak floors, in good shape. The
floors have some water stains,
mainly white, but some black ones too.

The previous owner covered the floors with carpets, but the owner
before may have applied wax to the floor. I'm no sure. In any case, no
wax has been applied for at least nine years. I don't think there is
any kind of finish on the floors, but being completely ignorant about
wood, I might be wrong.

I'd like to rejuvenate and protect our floors with Waterlox tung oil. I
would prefer not to sand the floors. I've been told that just rubbing
the Waterlox tung oil with a fine steel wool pad should work miracles
on our floors.

I've taken some pics of our floors and have put them at:
http://www.math.uwaterloo.ca/~mrubinst/floor/floor.html


1) Can you tell just by looking at these pics whether our floors are
good candidates
for applying tung oil without much preparation?

2) Would old wax (at least nine years old) present any problems
to using Waterlox tung oil?

3) What should we clean the floors with before applying tung oil? They
haven't been cleaned
in nine years having been covered up most of that time. I don't want to
do further water damage to the floors.

Thanks for any advice.