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Help & Advice/Preventing drain odours
If you're experiencing unpleasant odours from your sinks or shower, it may be due to food scraps, kitchen materials, hair, soap residue or shaving oils decaying in the drain.
As part of your regular home cleaning routine, you may wish to undertake one of these preventative measures:
If odours remain after carrying out these cleaning procedures, there may be a problem with other aspects of your household plumbing. You should call a plumber to investigate.