Pool Filter Sand

Discussion in 'Freshwater Substrates - Gravel, Sand' started by Navin, Aug 1, 2015.

  1. N

    Navin New Member Member

    My pool filter sand has tiny grayish bugs crawling around does anyone know what it is and if its harmful?
  2. Nympxzie

    Nympxzie Valued Member Member

    Scuds probably if the sand is in water. If the sand was being stored then I have no idea, can you get some pics?
  3. BDpups

    BDpups Well Known Member Member

    Got a pic?
  4. Anders247

    Anders247 Fishlore Legend Member

    Welcome to fishlore!
    Yes, do you have a pic?

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