Grodan Stonewool Delta Gro-Blocks & Big Mama Options:Grodan Delta 6.5 - 4 in Block 4 in x 4 in x 2.5 in w/ Hole (36/Cs) There is nothing better than

There is nothing better than a plant full of phat

Includes an 8' power cord

1 mil and 2 mil (1 mil is 1/1000th of an inch)

size DOES matter

White Lightning provides the following benefits

Grodan Stonewool Delta Gro-Blocks & Big Mama Options:Grodan Delta 6.5 - 4 in Block 4 in x 4 in x 2.5 in w/ Hole (36/Cs) There is nothing better thanGro 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.