Nature's Ocean Bio Activ Live Aragonite Sand for Aquariums Size:16 LB SmartBones® have all the benefits

SmartBones® have all the benefits of a rawhide chew…WITHOUT the RAWHIDE

a natural and sustainable resource

Crude fiber max 2%

Step 5: Let the substrate dry

Features: dha omega -3 supports heart

Nature's Ocean Bio Activ Live Aragonite Sand for Aquariums Size:16 LB SmartBones® have all the benefitsBenefits 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 Undergravel filters Contains natural live marine bacterial biofilm Superior to cultured live sand products