Grodan PRO Delta 4 - 3 in Small Unwrapped Lighting Components Outperforms standard HPS bulbs

Outperforms standard HPS bulbs

Power Si is proven to show benefits towards your crop's yield

meats and other food products fresh up to 5 times longer than other storage options

plant and root development

Ionic Bloom is enhanced with the crucial elements that support increased budding points and large

Grodan PRO Delta 4 - 3 in Small Unwrapped Lighting Components Outperforms standard HPS bulbsGro 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.