Grodan Gro-Block Improved GR4 Small with Hole, 3" x 3" x 2.5" - Case of 384 Select Rockwool Type:GR7.5 Medium w/ Hole, 4" x 4" x 3" - Case of 192 5 inch thick

5 inch thick

The Original tumbler is manufactured with rugged

Clonex Clone Solution is specifically formulated to provide rooted clones and seedlings with a special blend of the highest quality minerals including Nitrogen

Big Time Exterminator is the most cost effective way to keep your plants free of harmful pests

Pyrus TR Offers Tough Protection For Delicate Plants

Grodan Gro-Block Improved GR4 Small with Hole, 3" x 3" x 2.5" - Case of 384 Select Rockwool Type:GR7.5 Medium w/ Hole, 4" x 4" x 3" - Case of 192 5 inch thickNew 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