Many Geelong homes experience obstructed drains pipes from tree origins attacking older clay pipes, especially after wet winters
http://photohistory.oregonstate.edu/works/half/the-importance-of-regular-plumbing-maintenance
Several Geelong homes experience blocked drains from tree roots invading older clay pipes, especially after wet winters months, causing slow down sinks, gurgling sounds, and poor smells that signify a need for prompt expert clearing.