My young daughter clogged the toilet, when using the bathroom, with too much toilet paper. She flushed the toilet and *everything* overflowed on to the floor. Our floors are 12" x 12" ceramic tile with 1/2" grout lines between each tile. I have tried everything I can possibly think of short of replacing all the grout to remove the foul smell in the bathroom, but to no avail. Any suggestions???
Lowe's sells a great grout cleaner in a green and white spray bottle. I'd also check the commode....is it absolutely sealed around the bottom....smell could be coming from there also.
The peroxide will foam if there is bacteria or dirt there. I don't think it will need to be rinsed off but it might work to get rid of the smell. You could also try rubbing baking soda into the grout. As it dries it should take the smell with it. Then sweep it up and throw it away.
You say you have used a lot of different things trying to clean it. You want to be very careful mixing a lot of chemicals together. Vinegar, peroxide and baking soda are pretty harmless. If you have used bleach, don't use anything with ammonia or visa versa. These two make a toxic gas.
I read earlier on Thrifty Fun that you can use peroxide to clean grout. I don't know if it would get rid of bad smell, however.....but I would say maybe spray it on the grout and let it sit for awhile, then clean off?
Call the local janitor supply store. They supply hospitals, which deal with such cleaning issues, also.
The even have a safe bacteria in a liquid form that eats organic waste. I had a home daycare, and depended on that product for accidents while potty training.
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