Grodan Gro-Block Improved GR6.5 Small with Hole, 4" x 4" x 2.5" - CASE of 216 Clone Covers Rounded corners for easy cleaning

Rounded corners for easy cleaning

Don't worry about dropping these hardy tools -- they're made of non-breakable materials and feature a reinforced handle

Bud Blaster ensures a strong final ripening stage

General uses includes growing tent and reservoir

Grodan Gro-Block Improved GR6.5 Small with Hole, 4" x 4" x 2.5" - CASE of 216 Clone Covers Rounded corners for easy cleaningNew and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. A core component of the "Precision Growing" philosophy, Grodan Gro Blocks Improved with Advanced Wetting Technology allow you to cultivate more uniform and high quality crops while using less water