Gunthr Posted September 12, 2004 Share Posted September 12, 2004 This white object appears to be growing out of a mass of seaweed onto the back glass of my aquarium. It is slowly growing longer ... what is it? Link to comment
reef hugger Posted September 25, 2004 Share Posted September 25, 2004 It appears to be some kind of a hydroid. If it starts stinging your corals, I would try removing it. Otherwise I would leave it. HTH Link to comment
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