Hydroton GMHT10L Hydroponic Grow Rocks, 10 Liter Bag (Discontinued by Manufacturer)
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<b>[Product Information]</b><br>
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<li>Strong pebble structure doesn't crush</li>
<li>Color packaging</li>
<li>8-16mm pebble size range</li>
<li>Measures 16-4/5-inch length by 12-2/3-inch width by 3-2/7-inch height</li>
<li>Hydroton grow rocks</li>
<li>Strong pebble structure doesn't crush</li>
<li>Records high and low points for both temperature and humidity</li>
<li>Measures 3.2-inch in length by 3.2-inch in width by 8.6-inch in height</li>
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