Reefkeeping South Africa » Marine Aquariums of South Africa » Advice needed

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  Advice needed

  Posted: September 16th, 2010, 6:00pm CDT by lloyd18

  I have just noticed that the Arogonite in my DT is turning brown in places, my tank has been running now for around six weeks, all the water parameters are within limits.
  
  Any advice would be welcome.