GRODAN® GRO-BLOCKS Delta 8, Medium 4" with Holes | Pack of 6

GRODAN® Stonewool Delta Gro-Blocks

Known for its quality, consistency and ease of use, high-performance Grodan stonewool is used by hydroponics gardeners the world over. 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" x 4" x 3" Gro-Blocks, each with pre-formed holes.

Select Variant