Grodan PRO Delta 6.5 - 4 in Small Unwrapped, Case of 36 Fans For use on all plant

For use on all plant cuttings to stimulate root growth

resins and fragrances of flowering and fruiting plants

Fixtures include FREE pre-installed Spectralux 6500° K lamps

Langbeinite is a naturally occurring source of these three vital plant nutrients

water resistant exterior

Grodan PRO Delta 6.5 - 4 in Small Unwrapped, Case of 36 Fans For use on all plantGro 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.