http://www.fanciers.com/cat-faqs/mis...ing_urine_odor
www.urinegone.com haven't tried it but heard it is ok

"Gurpreet" wrote in message
oups.com...
Hi Everyone!

Thank you so much for all your input! I have two cats right now and
three litter boxes. Since the last time I posted, my little one has
urinated twice in the same spot. So I presume she must be returning to
the smell. Right now I am trying to get rid of the smell using one of
the enzymatic solutions. But that usually doesn't eliminate the smell.

Well we moved into this brand new house 7 months ago, so the carpet was
brand new and absoutely no animals were here prior to us. The urinating
problem started only 4 months ago, so I am sure it is not associated
with the move. I am really lost on how to approach this problem.
Although I think it cruel to confine my cat, I have decided to try
that, because of all your great suggestions that is the only one I
haven't tried. I have her in a bedroom on the third floor, with a
window, her own litterbox, food & water. So in the meantime I am going
to try to get rid of the smell, so she won't remember to go back to it
when i bring her out.

Thanks again everyone! If there are any more suggestions, i am willing
to try anything!

Gurpreet