Description
Gro-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.
![Gro Pro Grow Bags 5 Gallon 25/Pack (25 each) [Ships To Western States Only] 724410](https://i0.wp.com/www.horticulturesource.com/fresh/wp-content/uploads/2019/07/HGC724410-01.jpg?fit=324%2C324&ssl=1 "Gro Pro Grow Bags 5 Gallon 25/Pack (25 each) [Ships To Western States Only] 724410")
![Hydroton Original 50 Liter [Ships To Mountain West Only] (Not for sale in CA PR) 714116](https://i0.wp.com/www.horticulturesource.com/fresh/wp-content/uploads/2019/07/HGC714116-01.jpg?fit=324%2C324&ssl=1 "Hydroton Original 50 Liter [Ships To Mountain West Only] (Not for sale in CA PR) 714116")
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