bacteria and viruses cannot survive for more than a few hours on a dry, clean and smooth surface. like on glass. air molecules at room temperature move at an average velocity of 1000 meters per second. bacteria or viruses cannot survive the beating for long.
so just clean it with any disinfectant, then clean it with fresh water, dry it with a fresh towel or paper towel, and it will be just fine.
if you really want to be sure, since the tank is transparent, put a UV lamp in over night. or cook it. but then, everything can be overdone. the methods we use to clean the plates we eat from are sufficient.








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