<P>Aragonite Sand &#035;1</P><P>Premium Aragonite Reef Sand:</P><P>Ideal for reef system tank bottoms, denitrifying anaerobic beds, extremely high surface area filter media&#046;</P><P>Aragonite Benefits:</P><P>Reduces Nitrates&#046; Maintain pH&#046; Increases Carbonate Hardness&#046; Provide Marine Trace Elements&#046; Pre&#045;washed Minimum Rinse Required&#046; 100&#037; From The Ocean Floor&#046; Heat Sterilized&#046; Ideal for culturing Live sand&#046;</P><P></P><ul><li>Grain size 1&#046;21&#046;7mm </li><li>Packaged 2 &#045; 20 lb Bags per case</li><li>Net Weight &#045; 40 lbs</li></ul>