This video provides a basic overview of the nitrogen cycle or “cycle of the tank”. Cycle: your fish produce ammonia. Beneficial bacteria live in you filter media …
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![](https://goldfisho.com/wp-content/uploads/2016/07/goldfish-care-the-nitrogen-cycle-1024x1024.jpg)
This video provides a basic overview of the nitrogen cycle or “cycle of the tank”. Cycle: your fish produce ammonia. Beneficial bacteria live in you filter media …
source