Posted 4 years ago by Matt Richardson

Intro to Freshwater Aquaculture Chemistry

Level: Junior Apprentice

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The major water quality factors that are important in freshwater aquaculture systems and methods to monitor them are described in this publication. Water quality determines not only how well fish will grow in an aquaculture operation, but whether or not they survive. Fish influence water quality through processes like nitrogen metabolism and respiration. Knowledge of testing procedures and interpretation of results are important to the fish
farmer.

Some water quality factors are more likely to be involved with fish losses such as dissolved oxygen, temperature, and ammonia. Others, such as pH, alkalinity, hardness and clarity affect fish, but usually are not directly toxic. Each water quality factor interacts with and influences other parameters, sometimes in complex ways. What may be toxic and cause mortalities in one situation, can be harmless in another. The importance of each factor, the determination method and frequency of monitoring depends upon the type and rearing intensity of the production system used.

Follow the link for more information.

 

“An Introduction to Water Chemistry in Freshwater Aquaculture.” Northeastern Regional Aquaculture Center. Accessed June 11, 2013. http://aqua.ucdavis.edu/DatabaseRoot/pdf/NRAC170.PDF

 


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