Reducing cross tank contamination

Fish net bucket containing methylene blue. Photo by the author.

During your fish keeping journey, you hopefully won’t have to experience any of the multitude of maladies that affect tropical fresh water fish. Inevitably, however, you will if you’re in this hobby long enough. Furthermore, many pathogens that affect fish are contagious and can spread within your tank and across tanks. Though there are numerous pharmacological options to treat bacterial, viral, and fungal illnesses, that is a post for another day.

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