actually you can grow buds in an aquarium. i have a friend who has net pots hanging to just touch the surface of the water in his fish tank. the practice has been used for years in asia. the fish waste in the water fertilizes the buds like crazy and the buds remove the waste and filter the water.

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A democracy is nothing more than mob rule, where fifty-one percent of the people may take away the rights of the other forty-nine.
Thomas Jefferson