Grodan Big Mama - 8 in Block (8 in x 8 in x 8 in), case of 18 Mother Earth Ozone safely alters the molecular

Ozone safely alters the molecular structure of offensive micro-organisms

110/120V standard household plug

The bed depth is 2 in

Super strength and stretch - no more tearing

Ideal-Air Ducting and Clamps

Grodan Big Mama - 8 in Block (8 in x 8 in x 8 in), case of 18 Mother Earth Ozone safely alters the molecularGro 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.