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red ridge sponge

  1. Pests, Hitchhikers, and Diseases
    My tank is making a popping noise ever since I added a red ridged sponge. Today when I moved the sponge a tine yellowish clear shrimp fell out and ran around for a bit before disappearing. Does anyone know if this is a pistol shrimp, Ive heard of them but never seen one like this. It was to...
  2. General Reef Discussion
    I bought a new red ridge sponge 2 days ago and it has clear red bubbles(almost blister like) in between the ridges. Any ideas?
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