Which two highly toxic water contaminants must be kept at absolute zero concentrations for yabbies?
Answer
Ammonia and nitrite
Yabbies breathe through gills and possess a high sensitivity to various water contaminants, necessitating rigorous parameter monitoring. Within the nitrogen cycle byproducts that are tested, two compounds are recognized as posing an immediate and severe danger, requiring zero tolerance. These highly toxic substances are ammonia and nitrite. Even low concentrations of either compound can cause significant harm or death to the crayfish, whereas nitrates, while needing to be kept low (ideally below 20 ppm), are significantly less acutely toxic than ammonia or nitrite.
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