Delta 6.5 small 4" block
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. This 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.
Delta 10- 4x4 block
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. This is a strip of six 4"x4"x4" Gro-Blocks, each with pre-formed holes.
Hugo 6x6 block
Made in Denmark since 1969, horticultural stonewool is used the world over by both hydroponics and soil gardeners. Growers can start cuttings and even grow plants to maturity in this large Grodan Gro-Block or transfer it to a larger stonewool slab once roots have been established. Gro-Blocks can be planted directly into containers for soil gardening as well. This is a single 6" x 6" x 6" Gro-Block with a preformed hole. Grodan stonewool is known for its quality, consistency and performance.
Big Mama 8x8 block
The largest block ever produced by Grodan, the Big Mama™ measures 8" x 8" x 8" and contains well over twice as much wool as the popular Hugo block. This block is big enough to grow a large plant for its entire life. When a plant outgrows its current block, gardeners can simply place it on top of the Big Mama. This block does not have a precut hole, making it suitable to hold any size smaller block on top.
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