Assertion: aquarium's water | /r/HasProperty | a salt level of 500 to 30,000
Facets:
Source sentences:
text: An aquarium may have freshwater (salinity below 500 parts per million), simulating a lake or river environment; brackish water (a salt level of 500 to 30,000 PPM), simulating environments lying between fresh and salt, such as estuaries; and salt water or seawater (a salt level of 30,000 to 40,000 PPM), simulating an ocean environment.