Grodan® PRO Delta 10 Gro-Blocks™ 4x4, (New Improved) Case of 144 Ona Precision quality from world-renowned brand

Precision quality from world-renowned brand

Simply mix with water and apply around the base of each plant

Starter solution for new plantings and transplants

CFM: 1024 at 0wg*

Grodan® PRO Delta 10 Gro-Blocks™ 4x4, (New Improved) Case of 144 Ona Precision quality from world-renowned brandGro 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.