Grodan PRO Delta 6.5 - 4 in Small Unwrapped, Case of 36 Fans Use the water leak detector

Use the water leak detector with early warning alerts to prevent property damage caused by faulty pipes

light and CO2 levels in your room attaches to the controller with a 15 ft cord

For use on all plant cuttings to stimulate root growth

The other main ingredient in Sturdy Stalk'R

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

Grodan PRO Delta 6.5 - 4 in Small Unwrapped, Case of 36 Fans Use the water leak detectorGro 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.