Rockwool Block Cover, 6'', Pack of 40
PLASTIC BLOCK COVERS
Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.
Block li
- Water and Aeration
- Growing Environment
-
Lighting
- Commercial Lighting Fixtures
- Gavita
- LEC/CMH Lighting
- LED
- Sun System DE Reflectors
- Sun System SE Reflectors
- Sun System Electronic Ballasts
- Electronic Ballasts
- Sun System Magnetic Ballasts
- Magnetic Ballasts
- Lamps
- Fluorescent Lighting
- Complete Systems
- Lighting & Electrical Components
- Extension, Power & Lamp Cords
- Light Movers Hangers
- Plant Propagation Nutrition and Health
- Growing Media and Containers
- Growing Tents Systems and Trays
- Tools, Accessories and More
