Posted 5 years ago by Matt Richardson

The Importance Of Nitrifying Bacteria In An Aquaponic System

Level: Senior Apprentice

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You probably have heard that if you use chlorinated tapwater in your aquaponic system you risk killing all your fish. That’s true, but there are other creatures you will also certainly kill. You can’t see them, but they are there, in your media bed and/or your solids removal and filtration system. These invisible creatures are called nitrifying bacteria.

Yukkk! You are probably thinking that bacteria are all bad, bad, bad. Not so.

You would not be here if it were not for all sorts of friendly bacteria. These are Nature’s cleaning crew. They eat up poisons and waste products and churn out substances that we can use as food, drink, or air.  Nitrifying bacteria are important friendly bacteria.


Appleton, Charlotte. Aquaponics Global. “The Importance of Nitrifying Bacteria in an Aquaponic System.” Accessed June 11, 2013.

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Not sure if my system filtration are correct. I had install a normal foam filtered out all the fish waste before water flow into my veges PVC tube. Anyone can advice?

Posted 3 years ago by

jry7667, Novice

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