Grodan Improved Big Mama Gro-Block 8" x 8" x 8" (20 x 20 x 20 cm) No Hole (18 / case)

The Grodan Improved Big Mama is the largest block available. With more than twice the volume of a Hugo block it is capable of supporting large plants through the end of the life cycle. The Improved technology allows for better re-saturation and balanced water distribution over the height of the block allowing the roots to fill the entire volume of the media.