Grodan PRO Delta 6.5 - 4 in Small Unwrapped, Case of 36 AirKing The inverted cages are wider

The inverted cages are wider at the base and narrow at the top which provides more stability as compared to traditional cages

Safely and easily make your plants resistant to pests

PUSH is all in one

as they are resistant to cold

5 pH levels to ensure the most comfortable fit yet

Grodan PRO Delta 6.5 - 4 in Small Unwrapped, Case of 36 AirKing The inverted cages are widerGro 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.