What action must be taken when using chlorine in aquatic systems with animals?

When chlorine is used in aquatic systems with animals, it is essential to take extreme care to neutralize it due to its toxic effects on aquatic life. Chlorine, even in small amounts, can be harmful or fatal to fish and other aquatic organisms. It acts as a powerful oxidizer and can disrupt the delicate balance of biological systems within the aquatic environment.

Neutralizing chlorine is crucial because it protects the health and welfare of the animals in the aquatic system. Various methods, such as adding dechlorinating agents, can effectively eliminate chlorine, making the water safe for aquatic species. By prioritizing the neutralization of chlorine, individuals ensure compliance with welfare guidelines and ethical considerations mandated by institutional policies and regulations governing the care of research animals.

Other alternatives, such as allowing residual chlorine or stating that no precautions are necessary, underestimate the potential risks to the animals. Using chlorine sporadically without neutralization also does not address the continuous risk it poses to the health of sensitive aquatic species. Thus, demonstrating an understanding of the need for careful neutralization reflects the commitment to responsible animal care and adherence to best practices in aquatic system management.