Especially significant Protodermis Canals run deep throughout the district of Ga-Metru. Here, the Liquid Protodermis of the Silver Sea is drawn into the Great Temple, where it is purified by Ga-Matoran lab workers. After, the Protodermis is redirected into the canals, which dump it in a subterranean pipe system. The Protodermis that is collected can also be superheated and sent to Ta-Metru to be molded into Kanohi, Kanoka, and other tools. As a pastime, Matoran are known to perform Disk Surfing on the canals. The Ga-Matoran, who had a special fondness for boats, used to sail miniature replicas of the ships during their free time.
In the Po-Metru district, Protodermis Canals are used when carvings are too large to be supported on loaders. Therefore, the structures are loaded onto flatboats and transported along the canals.
During their quest to recover the Great Disks, Toa Metru Nokama and Matau encountered a Protodermis Canal in Ga-Metru that had been completely drained of Liquid Protodermis. They discovered that someone had manipulated the control wheel to stop the flow. Suddenly, the two Toa Metru were confronted by an oncoming wave of Liquid Protodermis, which engulfed them. Nokama managed to gain control using her Hydro Blades but Matau was swept away. However, Nokama managed to save him and the Toa continued on their quest.
- Chat with Greg Farshtey, 18 August 2014
|Solis Magna||Spherus Magna (Aqua Magna | Bara Magna | Bota Magna) | Red Star|
|Metru Nui (Maze of Shadows) | Karzahni | Zakaz | Xia (The Mountain) | Northern Continent (Tren Krom Peninsula) | Artakha | Stelt | Odina | Southern Continent (Voya Nui, Mahri Nui) | Karda Nui | The Pit | Destral | Nynrah | Tren Krom's Island | Visorak | Daxia | Southern Islands (Artidax)|
|Field of Shadows | City of Silver|
|The Melding | Spherus Magna | Toa Empire | The Kingdom|
|Characters | Sapient Species | Locations | Flora | Creatures | Rahi | Objects | Powers | Vehicles | Society | Events|
LEGO | TECHNIC | BIONICLE | Hero Factory | BS01 Wiki | Policies | Sources | Saga Guides | Timeline | Media | Sets