I noticed that my shower drain have an unpleasant odor while the shower is running. I poured bleach down the drain to get rid of the smell. It worked for about a week. What other solutions can I use to eliminate this smell?

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It could several things.

1. You are loosing the "trap", meaning the water that is always supposed to be in the trap is some how being sucked out. This could be caused by a clogged stack pipe perhaps. Is there a high water output appliance nearby? A washing machine maybe? You should shine a light into the drain to be sure you see water about 2-4" below.

2. If your shower floor is tiled the pan might not have a pre-slope under it, or the weep holes may be clogged which causes shower water to just sit there for ever. Stagnant water can smell bad and bleach will not improve it.

But, since you said the smell went away for a while, I would say it's #1.

Jaz

Chances of the pre-trap loosing the trap is is not common, I would guess that there is no pre-slope in the shower pan and the weep holes are clogged, which would after putting bleach down the drain,the smell would go amay, tempoarily. Try plugging up the drain and then bleaching out the pan, provided its not stone and than note the results.

Thanks..for..the..info.