So I have a thing for microfauna. I love to watch all the tiny critters in my 30 gallon fuge.Among my favorite to watch are the clear flatworms. Recently I got a few red flat worms in there. I just got done treating and trying to save my clear ones. It occurred to me today that the clear ones have been in there forever without causing any issue. I was curious if anybody has red planaria in their system that did not grow out of control Or if it is a guarantee that they will cause doom?

