4 by 4 by 2.5 inch Stonewool Gro-Blocks - 6 pack, Grodan
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Grodan Stonewool Delta 10 Gro-Blocks 4 by 4 by 2.5 inch - 6 pack. Delta 6.5
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 inch x 4 inch x 3 inch Gro-Blocks, each with pre-formed holes.
Gro-Blocks are similar to a plant container. Need a 4 inch pot? Then choose a 4 inch Gro-Block. Small plants can be fully grown in our larger Gro-Blocks. Holes are perfect size for any 1.5 inch starter plug. The bases of the Gro-Blocks are grooved to promote drainage in order to avoid wet feet. Comes in strips labeled with instructions.