Assertion: aquarium's tank | /r/HasAspect | constant supply of calcium
Facets:
value: via reactors
type: TRANSITIVE-OBJECT
value: in top-off water
type: LOCATION
value: usually
type: TEMPORAL
value: via kalkwasser
type: LOCATION
Source sentences:
text: SPS dominant tanks usually have constant supply of calcium via reactors or Kalkwasser in top-off water.