Premium Aragonite Reef Sand:
Ideal for reef system tank bottoms, denitrifying anaerobic beds, extremely high surface area filter media.

Aragonite Benefits:
Reduces Nitrates.
Maintain pH. Increases Carbonate Hardness.
Provide Marine Trace Elements.
Pre-washed Minimum Rinse Required.
100% From The Ocean Floor.
Heat Sterilized.
Ideal for culturing Live sand.

http://www.naturesocean.com
Bio-Activ Live Aragonite Reef substrate
Grain size: 1.0-2.5mm - 16 lbs bag Rp 525.000/bag 

Bio-Activ Live Aragonite Black sand
Grain size: 0.5-1.7mm - 20 lbs bag Rp 525.000/bag 

Bio-Activ Live Aragonite Reef Sand
Grain size: 0.5-1.7mm - 20 lbs bag Rp  /bag
For order more than 3bag please email me