I have spiraled bamboo growing out of one of my tank's filter. The roots aren't more than about 1.5 inch long, and have not caused any trouble at all, and I've had it like that for at least 6 months. They are attractive too.
forum community dedicated to tropical fish owners and enthusiasts. Come join the discussion about species,breeding, health, behavior, aquariums, adopting, care, classifieds, and more! Open to fish, plants and reptiles living in freshwater or saltwater environments.