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Aquarium  Nitrites  Nitrogen Cycle

Nitrobacteria: The bacteria in a biological filtration system that converts nitrite into nitrate.

Bacteria which oxidatively transform nitrite into nitrate.
Bacteria which oxidatively transform ammonia or amonium to nitrite.

Nitrobacter sp. and Nitrospira Species: They convert the nitrite (produced from the breaking down of Ammonia by Nitrosomonas bacteria) into nitrate. Both of these are usually present in the filter.

Nitrobacter : 2 HNO2 + O2 è 2 HNO3 + Energy
Again, the bacteria for their own biochemical reactions use the amount of energy released in this reaction.

The next step is the bacteria strain of Nitrobacter. Nitrobacter takes even more time to adsorb nitrite, and in this stage nitrite is prominent and it is another dangerous time for a fish, even a hardy one.

The final stage is Nitrobacter bacteria converts nitrites to nitrates, which are far less toxic.

You cannot package and sell the Nitrosomonas or Nitrobacter, as these bacteria are much too sensitive to isolate and keep on a shelf".

Bacteria such as nitrosomonas and nitrobacter are aerobic and must be supplied with a constant flow of oxygen in the water to create suitable populations able to remove the ammonia and its by-products produced within the aquarium.
Air pump ...

For years just about everybody has said these are Nitrosomas and Nitrobacter species, and most books will refer to these two forms. Now it appears that those bacteria may play a role in saltwater, but have little or no function in freshwater systems.

Biological filter media provides a large surface area for live beneficial bacteria (nitrosommonas and nitrobacter) to cling to.

This is done by establishing the nitrogen cycle in your tank with the two beneficial bacteria (nitrobacter, nitrosomonas). Not establishing this filter will inevitably kill any fish, regardless of what kind of filter you buy. Ok, enough said.

Bacteria called nitrobacter will develop and they will convert the nitrites into nitrates. Nitrates are not as harmful to tropical fish as ammonia or nitrites, but nitrate is still harmful in large amounts.

The Nitrobacter bacteria, because of the increasing supply of nitrites, will multiply and increase in numbers. They, too, will be most densely populated in the area with the greatest surface area and oxygen content.

In the aquarium, we need beneficial bacteria, which are known as nitrobacters.

and Nitrobacter sp.) The more the better. Start filtration, let the water settle for a few hours, and then experiment with adding fish.

Once nitrites begin to show up in the tank, Nitrobacter and crew will follow. There is some inhibition of Nitrobacter growth in the presence of high ammonia levels. As ammonia levels begin to drop the Nitrobacter colony's growth speeds up.

Nitrobacter bacteria then breaks down the nitrite into non-toxic
nitrate (NO3). This nitrate is then removed from the aquarium by performing partial
water changes.

Denitrifying Bacteria: In the process of nitrification of wastewater, the two key bacteria of ecological importance are nitrosomonas and nitrobacteria. These bacteria facilitate "catalyze" the reactions.

(Nitrobacter bacteria were previously believed to fill this role, and continue to be found in commercially available products sold as kits to "jump start" the nitrogen cycle in an aquarium.

Nitrite is also poisonous to fish and is further broken down into nitrate by bacteria called Nitrobacter. Nitrate is relatively harmless to fish but is a primary food for plants and algae.

The beneficial bacteria is called Nitrobacter and nitrosomonas, but the names are not too important.

Just remember that there are 2 main phases in the nitrogen cycle :
1) nitrification, ...

Nitrites are converted to nitrates by nitrobacter. Nitrates are much less toxic and is used as fertilizer for live plants. It is harmful in great quantities, however, and should be avoided in the reef tank.

Contains beneficial bacteria nitrosomonas and nitrobacter. Works together with other beneficial strains to eliminate harmful toxins. Super concentrated formula.

Animal waste (ammonia) is converted by NitrosomonasNitrites is converted by Nitrobacteria to → Nitrates
What Happens When You Keep Fish In Tanks?

Nitrobacter bacteria then break down the nitrite into nitrate, which is much less harmful. Nitrate is either used up by algae to complete their biological cycle, or is released into the air as nitrogen gas.

Nitrsomona bacteria convert the Ammonia into Nitrite (NO2), which is also toxic. Nitrobacteria then break down the nitrite into the non-toxic Nitrate (NO3). This Nitrate is then removed from the aquarium by performing partial water changes.

After ammonia has been produced, Nitrosomonas species of bacteria convert ammonia to nitrite (NO2). The nitrite is then converted to nitrate (NO3) by Nitrobacter and Nitrospira species of bacteria.

Another type of bacteria, Nitrobacters, break down the nitrite (NO2) into less toxic nitrate (NO3). The nitrate is absorbed by plants or algae, or is removed when a water change is carried out.

path of decomposition from solids to solution; from ammonia to nitrites to nitrates. This decomposition is accomplished first, by decomposing animals (Hermit crabs, brittlestars etc...) and further by decomposing bacteria (Nitrosomas and Nitrobacter).

Nitrifying bacteria (Nitrobacter) are now responsible for a further transition, converting the NO2 into Nitrate (NO3). The process of oxidation (addition of O2) continues in the reaction as shown below.

See also: See also: Water, Fish, Bacteria, Aquarium, Nitrite

Aquarium  Nitrites  Nitrogen Cycle

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