Assertion: angelfish's aquarium | /r/CapableOf | return the salinity
Facets:
value: over a period
type: TEMPORAL
value: to normal
type: OTHER
value: very gradually
type: MANNER
Source sentences:
text: Maintain hyposalinity during the high-risk period while the aquarium is being stocked as a precaution and then very gradually return the salinity to normal over a period of at least a week after the tank has been fully populated.