Assertion: angelfish's aquarium | /r/HasProperty | dosed with magnesium
Facets:
value: regularly
type: DEGREE
value: to maintain optimum levels
type: PURPOSE
Source sentences:
text: The aquarium is dosed with calcium, magnesium and iodine regularly to maintain optimum levels at all times.
text: The aquarium is dosed with calcium, magnesium and iodine regularly to maintain optimum levels at all times.