When a Smelly Drain Signals a Blocked Sewer Pipe
A rotten egg smell from a sink, shower or floor waste is not normal. It means sewer gas is escaping. In Sydney that odour often points to a main sewer blockage. Spotting smelly drains in Sydney early helps prevent backups and damage.
Why Your Drain Smells Like Sewer
Every drain has a U-shaped P-trap that holds water to block gas. When the seal fails or waste builds up, bacteria release...
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