Grodan® GRO-BLOCKS Rockwool Big Mama, 8" x 8" x 8"
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GRODAN® Stonewool / Rockwool Big Mama
The largest block ever produced by Grodan, the Big Mama™ measures 8" x 8" x 8" and contains well over twice as much wool as the popular Hugo block.
This block is big enough to grow a large plant for its entire life.
When a plant outgrows its current block, gardeners can simply place it on top of the Big Mama.
This block does not have a precut hole, making it suitable to hold any size smaller block on top.