Carib Sea Arag Alive Indo-Pacific Black Reef Sand
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Carib Sea

  • Has tremendous surface area, up to 1500 square feet of bacteria rich biofilm per pound.
  • Contains a broad spectrum of natural bacteria as well as specially selected strains of marine bacteria.
  • Creates a natural biological balance making the cycling of new aquariums faster and safer.
  • Controls dangerous ammonia levels and reduces nitrite and nitrate.
  • Provides unsurpassed buffering capacity, supporting the proper pH (8.2) of seawater.
  • Delivers more calcium, carbonate buffer, and essential trace elements like strontium and magnesium than other brands.
  • Black & White grade is .25-5.0 mm grain size. Unique black and white Indo-Pacific reef sand.