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Nitrogen Cycle Explained: Why New Aquariums Crash

 

When a brand-new aquarium suddenly turns cloudy, smell changes, or fish gasp near the surface, the cause is almost always a nitrogen cycle problem. The nitrogen cycle is the biological process that converts toxic ammonia produced by fish waste into less harmful forms—eventually ending with relatively safer nitrate.

In a mature tank, helpful bacteria are already established. In a new tank, they’re not. Until they grow in sufficient numbers, ammonia and nitrite can spike qui ... Read more »

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