1. 

   cbandotho Astrea Snail

   Joined:

   Aug 10, 2009

   Messages:

   40

   I have been reading through the threads to get some information about dealing with GHA. GFO keeps coming up as a possible solution...
   
   What is GFO?
   also
   What is Purigen?
   
   Thanks.

    

   cbandotho, Aug 31, 2009

   cbandotho, Aug 31, 2009

   #11



2. 

   pgreef Fire Goby

   Joined:

   Dec 6, 2008

   Messages:

   1,344

   Location:

   Algonquin, IL

   Granular Ferric Oxide. It is a phosphate remover.
   
   Bulk Reef Supply - Bulk Reef Supply

    

   pgreef, Aug 31, 2009

   pgreef, Aug 31, 2009

   #12

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