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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Potassium Hydroxide
Starter solution for new plantings and transplants
Collapsable teirs which makes them easy to store
CFM: 1024 at 0wg*
Grodan® PRO Delta 10 Gro-Blocks™ 4x4, (New Improved) Case of 144 Ona Potassium HydroxideGro 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.
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