Grodan Gro-Block Improved Mini-Block, 1.5" - Case of 2250 Select Rockwool Type:GR6.5 Small w/ Hole, Unwrapped, 4" x 4" x 2.5" - Case of 216 ultra housings for enhanced performance

ultra housings for enhanced performance and durability

A single LMA-14 Adapter is all that is needed with the controller and you are ready to start controlling your Mammoth LEDs with TrolMaster

No known cross-resistance to key commercial insecticide classes

and the correlating Matrix Circulator

Hygroben is a microbial root inoculant composed of 5 different bacillus species that are shown to be physiologically compatible with each other and work together to enhance yield

Grodan Gro-Block Improved Mini-Block, 1.5" - Case of 2250 Select Rockwool Type:GR6.5 Small w/ Hole, Unwrapped, 4" x 4" x 2.5" - Case of 216 ultra housings for enhanced performanceNew 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