Grodan Stonewool Delta Gro-Blocks™ & Big Mama
$171.48
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Gro-Blocks™ are similar to a plant container. Need a 3 in pot. Then choose a 3 in Gro-Block™. Small plants can be fully grown in our larger Gro-Blocks™. Holes are perfect size for any 1.5 in 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. Best Practices For Hugo Blocks Link: https://www.grodan101.com/syssiteassets/grodan-101/downloads/grodan_howtousehugoblocks.pdf
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