Grodan Delta 10 - 4 in Block 4 in x 4 in x 4 in w/ Hole Water Pumps Aeration & Irrigation Comes with 2 fittings to

Comes with 2 fittings to allow chiller to be plumbed with 1 in hard PVC pipe or 1 in flexible tubing

Made from a base of the best organic dairy cow manure in the country

which is repeatedly washed for low EC and composted

5 to 75 mL/gal) [D14MZ2VFBPHY]

The light film unspools easily from a sturdy roll with no sticking or waste

Grodan Delta 10 - 4 in Block 4 in x 4 in x 4 in w/ Hole Water Pumps Aeration & Irrigation Comes with 2 fittings toGro 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.