I am buying a home that rieks of cat pee. We're replacing all the floors. what's the Best way to remove odors?

We have been told that we should remove the carpet, wash the floors with a 10-1 ratio of water and bleach, spray it with antimicrobial solution, then to soak the floors with BIN shellac based primer to seal anythin that could still smell in. Then we will put in new carpet and pad! We are also going to use... show more We have been told that we should remove the carpet, wash the floors with a 10-1 ratio of water and bleach, spray it with antimicrobial solution, then to soak the floors with BIN shellac based primer to seal anythin that could still smell in.
Then we will put in new carpet and pad!

We are also going to use black light to find spots on the walls and seal them too.

We really want to eliminate the nasty odors... Please let us know of any tried and true techniques you have tried!
Thanks!
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