shaywood Posted July 28, 2018 Share Posted July 28, 2018 I noticed tiny black spots at the base of corals in my frags system. At first I thought they were tiny bugs, but after closer inspection I wonder if they're carbon dust or gfo. I was able to easily brush or blow them off and noticed more on the bottom of the tank. Anyone have experience with gfo coming into contact with coral Frags? How does it impact them? You can see how it kills the coral when it comes into contact. Quote Link to comment Share on other sites More sharing options...
IntoTheMystic Posted July 29, 2018 Share Posted July 29, 2018 (edited) I wonder if these little shards of carbon or GFO are being picked up by the powerheads and acting like flechettes, lacerating the tissue of these colonies. Maybe the tissue is retracting from the insults? Keep a close eye out for bacterial infections. Edited July 29, 2018 by IntoTheMystic Quote Link to comment Share on other sites More sharing options...
SuncrestReef Posted July 29, 2018 Share Posted July 29, 2018 I use mesh filter bags on the output pipes of my GFO and carbon reactors to catch any stray pellets. My sump used to be littered with shards until I added the filter bags. Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted July 30, 2018 Share Posted July 30, 2018 I don't see how carbon would effect it. GFO.. not sure. It does have an infection though. I would dunk in marine melafix or iodine. Quote Link to comment Share on other sites More sharing options...
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