Delta 4 Gro-Block 3" w/ Hole Case

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  • $274.99

SKU: 540


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"x3" x2.5" Gro-Blocks, each with pre-formed holes. Grodan stonewool is known for its quality, consistency and performance. 3" x 3" x 2.5" - 8 blocks/strip - 48 strips/case