Assertion: air pump | /r/HasProperty | beneficial
Facets:
value: to keeping a healthy aquatic environment
type: PURPOSE
value: greatly
type: DEGREE
Source sentences:
text: The short answer is that an air pump is not essential to keep a successful and healthy aquarium however in some instances it is greatly beneficial.
text: While an air pump can be beneficial to keeping a healthy aquatic environment, they are not actually essential.