Here's a quick tip for you if your Carpet has gotten wet from Water. If the Water came from the outside or even the inside, The first and most important thing to do is getting it dried out asap, this can save your Carpet 9 times out of 10 and you may be able to save the padding underneath the Carpet as well and simply only need to Re-Install the Carpet. Most times it is necessary to replace the padding to prevent mold and odors simply because a Carpet cleaning will not clean as deep as into the padding.