51K views · 201 reactions | Why would your tank have high ammonia or nitrite? It could be that your filters are not cycled enough, or it could be that you simply do not have enough filtration, have too many fish, are feeding too much food, or a number of other things. All you need to know is that it is toxic and this stuff can neutralize it while you deal with the core problem. #fish #goldfish #aquarium #ranchu #aqueon | Luke’s Goldies | Facebook