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Discussion in 'Sand' started by FishManDan, May 7, 2010.

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  1. FishManDan

    FishManDan Plankton

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    May 7, 2010
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  2. Click Here!

  3. jonjonwells

    jonjonwells Great Blue Whale

    Joined:
    Dec 9, 2008
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    SE Kansas
    GFO is another type of Phosphate remover. Safer than some other versions. Extended use of Aluminum based Phosphate remover CAN, not WILL, cause a buildup of Aluminum in the system.