Grodan 1.5" x 1.5" x 1.5" Mini Blocks Grow Media Rockwool Stonewool Cube Propagation + Twin Canaries Chart - 15 Cubes
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<b>[Product Information]</b><br>
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<li>Improved homogeneity</li>
<li>Optimum robustness and flexibility</li>
<li>Ideal air/water balance</li>
<li>Consistent shape of the seed hole</li>
<li>Identically shaped plugs, Root development through the entire plug</li>
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