I use enzyme spray. I have several kinds. They work really well. Rico lifts his leg and gets wee down the sides of the piddle pad box....nice man he is..he doesn't remember that he was neutered apparently. .
The vinegar and water worked for me and I would give it a good spray of natures miracle after I sucked all the vinegar water out. Thank goodness we got rid of our last bit of carpet in the main living areas...Though Draco is very well trained going outside, a accident can happen.