|Released||7 September 2017 (Update)|
|Location||Mycelium pool, Fossil Island|
|Examine||A bonus pool. For rinsing.|
The Rinsing pool can be found north of the Mycelium pool. After fossils, pyrophosphite and calcite have been added to the hopper and the sluice gate has been opened after some time, the enriched bones can be collected from this pool.