Description
Gro-Blocks are similar to a ‘plant container’. Need a 3” pot? Then choose a 3” Gro-Block. Small plants can be fully grown in our larger Gro-Blocks. Holes are perfect size for any 1.5” starter plug. Come in packs labeled with instructions. Big Mama is Grodan’s largest block ever produced! Big enough to grow a large plant for its entire life. More than twice the amount of wool as our Hugo Block.
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