Usually delivered in 2-4 days
•100 % From The Ocean Floor
•Natural crushed coral sand
•Maintains superior pH and marine chemical balance
•Provides maximum surface area for biological nitrification
•Scientifically graded for uniformity which provides maximum
  water flow and aeration
• Prevents anaerobic (Dead Spots) in Bacteria bed.
•Completely chemical free
•Pre-washed (minimum rinse required)