Keep aluminum out of your tank. You should probably keep it out of your life in general: nasty stuff, possibly causes alzheimer's.
Might seem inert, but if your tank has slightly acidic water it will start to dissolve and poison your fish. In the wild, aluminum as an industrial pollutant is quite destructive to aquatic ecosystems.
Might seem inert, but if your tank has slightly acidic water it will start to dissolve and poison your fish. In the wild, aluminum as an industrial pollutant is quite destructive to aquatic ecosystems.