Wonder Soil Premium Coir Sheet, pack of 8 growing-media Each spectrum is tuned for

Each spectrum is tuned for a specific application: PhysioSpec Indoor and Greenhouse are broad-spectrum options optimized for full-cycle plant growth

# of Ballasts per output: 40

Low profile design to maximize space utilization

You simply set it and forget

or UVSpec to match your exact crop and growth-stage requirements

Wonder Soil Premium Coir Sheet, pack of 8 growing-media Each spectrum is tuned forExpand & Plant Premium Coir Sheets with Nutrients (8) Patented. 8 compressed coir sheets formulated with a premium blend of coir, mycorrhizae, worm castings, water saving polymers, kelp, nutrients, silicon and TerraPro humus. 8 individual compressed coir sheets expand to 2 cu ft. Features & Benefits: The compressed Coir Sheets can be used as needed. All sheets are made with triple washed coir to guarantee low salts. This premium blend was formulated