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sea urchins

  1. General Reef Discussion
    Just some questions for all you experts... 1. In my 40g reef (posted in the tank specs area), one of my green frilly mushrooms seems to be splitting. Is that normal? Is that how they propagate, or could something be wrong? 2. In another tank, a newly established 15 gallon with plenty of live...
  2. Algae ,good and bad
    Ok I'm stumped.My 125 gal fish/reef combo has been up and running for almost a year.All fish and corals doing fine.Did have a couple bouts of hair algae blooms but ridded phosphates and all is well now.I use kalk/reef builder/marine buffer and have even tried spectra-vital but no coraline growth...