Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole sensor This bag combines hydrated grain

This bag combines hydrated grain spawn and a balanced dung-style bulk substrate into one unit—just inject your liquid culture or spores of choice and watch it grow

AWAY FROM HEAT

The media's expansion is due to the presence of two to six percent combined water in the crude perlite rock

Once inside the plant

Three systemic products in one

Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole sensor This bag combines hydrated grainGro 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.