Blue Treasure Coral Sand Size 2


  • Blue treasure coral sand is taken from the pollution free island in south sea of china, no phosphate, nitrate and surface contaminants.
  • Coral sand is with natural porous, its is suited to be as bottom sand filter in aquarium tank owing to its big surface area.
  • It can simulate river bed and seabeach in addition it can grow beneficial bacteria as well.
  • The main content of the coral sand is calcium carbonate, which can be conductive to be stability of pH value in seawater.
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