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They can be tough nuts to crack.
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Sewage Treatment Yourself is a medal in Plants vs. Zombies: Battle for Neighborville. It is awarded for standing near the flowing sewer pipe in the Town Center.


With gold and diamond under his master's chisel belt, what medium will Chip use next? Word is he's experimenting in mixed-media works for plants and zombies! Whatever it is, we want! We want now!

- Chip: An Chisel's Life: A Biography


Map of the zombie Town Center highlighting all sightseeing and elusive foe locations

The sewer pipe required to unlock the medal

To unlock this medal, head to the sewers area and simply stand on the flowing sewer pipe near the Olds Cool boss gate. The medal will be awarded after that.

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