Nature's Ocean Bio Active Reef Sand 20lb (Natural White #1)

Premium Live® Aragonite Sand for Aquariums Benefits of Nature's Ocean® Bio-Activ Live Aragonite Sand: • Collected in its natural environment and packaged in its natural • state (U.S. Patent #'s: 6,376,299 & 6,939,708) • Just place in tank, add saltwater (for best results use • NutriSeawater®) then add fish, no waiting required. • Instant ammonia cycling • Perfect for most applications (except Undergravel filters) • Contains natural live marine bacterial biofilm • Superior to cultured live sand products