Grodan Stonewool Delta Gro-Blocks & Big Mama Options:Grodan Pro Improved 10 Block, 4Inches x 4Inches x 4Inches, case of 144 (2 case min) Flora Series contains complete primary

Flora Series contains complete primary

• Provides a balanced foundation for maximized plant flowering

When the cloth junction becomes clogged and response time is sluggish

Its active ingredient

Aurora's research has resulted in a distinctive formula of powerful natural botanical extracts

Grodan Stonewool Delta Gro-Blocks & Big Mama Options:Grodan Pro Improved 10 Block, 4Inches x 4Inches x 4Inches, case of 144 (2 case min) Flora Series contains complete primaryGro 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.