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green algea

  1. General Reef Discussion
    ok well i have had a 50 salt water tank for 2 years now and tried coarl once and failed however i set 20 gallon tank that filters the water using some macro algae however there is a bunch of hair algae growing on the macro algae and i dont think it is filtering as well as it should so what...
  2. General Reef Discussion
    Hi, my friend just game about 80lbs of live rock and it is full of hair algea, big chunks of it just like pieces of grass attached to the rocks. Are there any good uses for this? Maybe for a sump? Or just I just remove it?Thanks!!!
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