So I've had lymphocystis in my tank now ever since I introduced this urchin (I saw the white stuff near his mouth when I took him out of the bag) and now my clowns have it. Been like that for a while and besides the things showing up on the clowns every once in a while nothing had has happened, except my urchin has been getting some of it on him for a while now. Is this something I should be worried about? I also see white stuff on the sides of the aquarium too. Anything I can do and is this a problem?
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