Grodan PRO Delta 4 - 3 in Small Unwrapped Humidity Control Bringing together 4 highly effective

Bringing together 4 highly effective endo mycorrhizal species with 11 super aggressive bacteria strains

Easily installs in minutes

PUSH is all in one

cuff and ankle with elastic

The Bluelab pH Meter is used to accurately measure the pH value of a solution

Grodan PRO Delta 4 - 3 in Small Unwrapped Humidity Control Bringing together 4 highly effectiveGro 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.