Grodan Delta 10 - 4 in Block 4 in x 4 in x 4 in w/ Hole Garden Accessories KoolBloom is a highly concentrated

KoolBloom is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs

more importantly

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BLOOM PROFESSIONAL 3-PART NUTRIENT SERIES TO: Enjoy maximum flexibility in mixing ratios

kelp and other ingredients so plants grow well and produce more - even in the demanding conditions of your high-intensity garden

Grodan Delta 10 - 4 in Block 4 in x 4 in x 4 in w/ Hole Garden Accessories KoolBloom is a highly concentratedGro 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.