Grodan® GRO-BLOCKS Delta 4, Small 3" without Holes | Packs of 8 | Case of 48

Grodan® GRO-BLOCKS Delta 4, Small 3" without Holes | Packs of 8 | Case of 48

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List Price: $28618
Now: $22895

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GRODAN® Stonewool Delta Gro-Blocks

Stonewool is recognized the world over as the ideal hydroponics growing substrate. Seeds or cuttings are started in these Grodan Gro-Blocks and, once rooted, the blocks are transferred to a larger stonewool slab. Gro-Blocks can be planted directly into containers for soil gardening as well. This is a strip of eight 3" x 3" x 2.5" Gro-Blocks, each with pre-formed holes. Grodan stonewool is known for its quality, consistency and performance. 

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