Evalive Aquarium in Frankston has the best and biggest range of fish available. We serve Melbourne,Cranbourne and the Mornington Peninsula. Cichlids, Aquariums, heaters accessories plants tropical natives Nitrite is produced from ammonia by Nitrosomonas bacteria.
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NITRITE

NITRITE

Nitrite is produced from ammonia by Nitrosomonas bacteria. In an aquarium where an established biological filter is operating, nitrite is quickly converted to nitrate, and does not accumulate to any degree. (See graph of establishing nitrification, page 20). Unfortunately, nitrite is extremely toxic to fish - as little as 1.0 ppm nitrite being a lethal quantity. Fish suffering from nitrite toxicity often exhibit the signs of oxygen starvation, gasping at the surface of the water. Nitrite, oxidizes hemoglobin, the oxygen-carrying component of blood. Nitrite is actively taken up by the gills, and blood levels may be 10 times higher than the aquarium water.

NITRITE TEST

Nitrite test kits are easy to use, and most can be used for either fresh or salt water.

CONTROL OF NITRITE

Nitrite is an intermediate in the oxidation of ammonia to nitrate, and should not be a problem in an established aquarium. Since chloride competes with nitrite for transport across the gills, the effect of nitrite toxicity can be greatly reduced by the addition of salt (sodium chloride) to the water.