nitrification

Colorful koi fish in clear pond water.

Nitrite Toxicity in Pond Fish – Why and how is it toxic?

When nitrite levels rise, fish can experience physiological stress but most importantly, respiratory issues. Nitrite is a nitrogen compound that forms as a natural byproduct of the pond’s nitrogen cycle. While it may seem harmless, elevated nitrite levels can pose serious risks to our fish’s health. Understanding the effects of nitrite on fish health is …

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