Why does my drain smell worse at night?

Cooler temperatures and lower water usage allow sewer gases to settle inside pipes, making smells stronger overnight.

Why does my shower drain smell but water drains fine?

You likely have bacteria build-up or a drying trap rather than a blockage.

Sewer gases can contain harmful bacteria and methane. Persistent smells should always be checked by a licensed plumber.

Stormwater infiltration or overloaded sewer systems can push gases back through drains — very common in South East Queensland.

No. Bleach may mask odours temporarily but does not remove grease, roots or pipe obstructions.

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Why does my drain smell worse at night?
Cooler temperatures and lower water usage allow sewer gases to settle inside pipes, making smells stronger overnight.
Why does my shower drain smell but water drains fine?
You likely have bacteria build-up or a drying trap rather than a blockage.
Is a smelly drain dangerous?
Sewer gases can contain harmful bacteria and methane. Persistent smells should always be checked by a licensed plumber.
Why does my house smell after heavy rain?
Stormwater infiltration or overloaded sewer systems can push gases back through drains — very common in South East Queensland.
Will bleach fix a smelly drain?
No. Bleach may mask odours temporarily but does not remove grease, roots or pipe obstructions.
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