Assertion: cichlid's tank | /r/HasAspect | a water hardness of 5 - 10° dh
Facets:
value: for breeding with frequent water changes
type: CAUSE
Source sentences:
text: The tank should have a pH of 7.0, a water hardness of 5 - 10° dH, and a temperature of 82° F (28° C) for breeding with frequent water changes.