Assertion: aquarium's problem | /r/CapableOf | keep their aquariums
Facets:
Source sentences:
text: Fish keepers are presented with many problems to keep their aquariums healthy and the water quality high, many of these are from diseases and viruses that enter the tank affecting the fish but one problem that constantly needs to be kept in check is man made and its something that every fish keepers has to deal with every time a water change is performed or a tank is filled for the first time.