12# Hawaiian Volcanic Lava Rock Cinders---Hydroponics Growing Media
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<b>[Product Information]</b><br>
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<li>12 pounds of nutrient-rich Hawaiian volcanic lava rock cinders</li>
<li>Hydroponic Growing Media</li>
<li>Lightweight and porous, it provides excellent drainage and aeration to clay soils when mixed with potting soil.</li>
<li>FAQ sheet included</li>
<li>Shipped from Hawaii</li>
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