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growing on rock

  1. General Reef Discussion
    Hi again, well the tank is up and running. I'll be posting pictures at a later date. Have something unknown growing next to my shroom. Was wondering if anyone here could throw some light on it please? It's the small flowers & the cue tip little green ball.
  2. General Reef Discussion
    these have been growing on my LR in different places.. not sure what they are. can you help?
  3. General Reef Discussion
    I added this piece of live rock (cured) on sunday and ever since this purple thing seems to be growing. Could anyone tell me what this is? Is it a piece of coral or just a piece of the rock?
  4. General Reef Discussion
    Hello again! Something else has come up and I hope you can help me out...on my live rock two things have started growing. Both grow in groups/masses. The first type is like stringy white stuff in clumps, and it has tentacle like white string tied in a knot or something. The...