<h2>Worldwide Imports - Bio&#045;Active "Live" Aragonite Black Beach Reef Sand </h2><p>Premium Live Aragonite Reef Sand for Aquariums, Collected in its natural environment and packaged in its natural state &#040;U&#046;S&#046; Patent &#035;&#039;s:6,376,299 & 6,939,708&#041;,Just place in tank, add saltwater &#040;for best results use NutriSeawater&#041; then add fish, no waiting required&#046; </p><p>Instant ammonia cycling,Perfect for most applications &#040;except Undergravel filters&#041;,Reduces algae growth </p><p>Grain size: 0&#046;5&#045;1&#046;5mm, Packaged: 2&#045;20 lb &#047; &#040;9&#046;07 kg&#041; Bgs&#047;cs&#046;, Net Weight: 40 lbs &#047; 18&#046;14 kg Per cs&#046; </p><ul><li>20 lb</li><li>2 Cs</li></ul>