Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole sensor Container includes dosages

Container includes dosages

making them more available to microbes and to your plants

Three systemic products in one

Because you are purchasing a new tank you can choose to either have it filled or to exchange it for a filled tank at your local gas supplier

The minus (-) underlap nests under the plus (+) overlap for a snug fit when connecting trays

Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole sensor Container includes dosagesGro 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.