Assertion: ammonia's ph | /r/HasAspect | adverse affect
Facets:
value: on the nitrifying bacteria
type: TRANSITIVE-OBJECT
Source sentences:
text: South American and West African cichlid breeders that maintain a low pH below 6.0 need to be cautious when performing water changes, as the low pH has an adverse affect on the nitrifying bacteria that converts ammonia to nitrite.