New answers tagged sewer
You only have a few square feet to deal with. Get a gallon of hydrogen peroxide and if it is stronger than 3% dilute with water. test on a small area to make sure it doesn't take the color out if the color is good saturate the entire area that was wet and you have just killed every organic gunkie that could be living. This is how some hospitals clean and you ...
Bleach is king for disinfection. But you have to be careful using bleach as it can bleach the carpet (of course). For general cleaning 5% dilution of household bleach is generally recommended (so, 6.75 fl. oz. household bleach plus one gallon of water). But for the carpet, I wouldn't do it- or I would try starting with a lower (1% or 2%) concentration of ...
Here is a suggestion for investigation. Start by removing the perforated sewer-cleanout and temporarily capping the suspect drain with a size reducing fitting. Then try one or more of the methods in this answer to a similar question.
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