Grodan 8x8x8 Big Mama Rockwool Grow Block No Hole
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- BIG MAMA is the largest block ever produced by Grodan. It is 8" square and contains over twice the amount of wool as the popular Hugo block.
- When your plant outgrows its current block, just place it on top of Big Mama
- BIG MAMA is solid wool and does not have a precut hole thus making it suitable to hold any size smaller block on top (even a Hugo).