Made in Denmark since 1969, Grodan stonewool is known the world over for its quality, consistency, ease of use and performance. Seeds or cuttings are started in these large Grodan Gro-Blocks and, once rooted, the blocks are transferred to a larger stonewool slab. Gro-Blocks can also be planted directly into containers for soil gardening. Pictured is a strip of six 4"x4"x4" Gro-Blocks, each with pre-formed holes.Cube Size: 4" x 4" x 4" with hole.
The case includes 24 slabs or 144 cubes.
Stonewool is recognized the world over as an ideal hydroponics growing medium. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are transferred to a larger stonewool slab. Gro-Blocks can also be planted directly into containers for soil gardening. Pictured is a strip of six 4"x4"x2.5" Gro-Blocks, each with pre-formed holes. Grodan stonewool is known for its quality, consistency and performance.Cube Size: 4" x 4" x 2.5" with hole
The slab includes 6 Cubes
Similar size as the AO36 but with the MM40 each cube comes individually wrapped in paper and has a wider base. These cubes are more suited for cuttings.
Stonewool is recognized the world over as the ideal hydroponics growing substrate. Grodan stonewool is known for its quality, consistency and performance. These Mini-Blocks are excellent for starting seeds and cuttings and are easily transferred to larger stonewool once roots have been established. Pictured is broken up slab of 45, one-and-a-half-inch individually wrapped cubes.
Cube Size: 1.5″ x 1.5″ x 1.5″ wrapped
The slab includes 45 cubes.
Stonewool is recognized the world over as an ideal hydroponics growing medium. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are transferred to a larger stonewool slab. Gro-Blocks can also be planted directly into containers for soil gardening. Pictured is a strip of six 4"x4"x2.5" Gro-Blocks, each with pre-formed holes. Grodan stonewool is known for its quality, consistency and performance.Cube Size: 4" x 4" x 2.5" with hole
Case includes 36 slabs or 216 cubes.
Stonewool is recognized the world over as an ideal hydroponics growing medium. Seeds or cuttings are started in these larger Grodan Gro-Blocks and, once rooted, the blocks are transferred to a larger stonewool slab. Gro-Blocks can also be planted directly into containers for soil gardening. Pictured is a strip of six 4"x4"x3" Gro-Blocks, each with pre-formed holes. Grodan stonewool is known for its quality, consistency and performance.Cube Size: 4" x 4" x 3" with hole
The slab includes 6 cubes.
