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.
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Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired.
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1 x Pargro Rockwool Starter Plugs 1.5" x 1.5". Pargro is the leader among affordable horticultural rockwool. Made right in the Grodan factory, you can be assured of a high quality product at a great price.
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Grodan stonewool is known for its quality, consistency and performance. Once plants have rooted, gardeners can transfer individual A-OK Starter Plugs to larger pieces of stonewool or plant them directly in soil.
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These Grodan Rockwool cubes are ideal for raising seedlings and cuttings.
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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.
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1.5" Grodan Rockwool Cubes for Seed Starter (98 Hydroponic Plugs) + the Hydroponic City Stakes. Manufacturer The Hydroponic City. Size 1.5" AOK - 98 Plugs Total. Number of Pieces 98. We do not accept P.O. Boxes.
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