The go-to propagation medium for commercial nurseries, seed companies, hobby gardeners, and retail seed-starting kits worldwide. Biodegradable, transplant-friendly, and lightweight for shipping. Available in multiple diameters to match seedling cell trays, propagation plugs, and retail kit formats. Optional fine mesh netting holds the disk together during handling and transplant. Washed and buffered to crop-ready EC/pH specs, COA per batch.