Board Thread:Questions and Answers/@comment-76.108.50.228-20130414125053

From the current wiki entry on the sewage collector:

"Upgrades will increase the area beyond the default 1x1; however, overlapping Sewage Collectors will cause them to shut down."

How does one upgrade a sewage collector?

And why did the image of a creeper on a toilet spring instantly to mind? ;) 