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GFO

Everything Pees and Poos in Your Tank

Photo of a coral reef
"Recent studies suggest that coral reefs, however, are just as dependent on these fish for key nutrients that help coral grow. When fish urinate, they release phosphorus into the water. This phosphorus, along with nitrogen excreted as ammonium through the gills of fish, is crucial to the survival and growth of coral reefs." This study highlights a very important truth in reef keeping. Every...
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