80 MM Minute Soil Discs - Roll of 10 - Add 1.5 cups of water to each disc to re-hydrate - Expands up to 15 times - Yields approx 4 cups of soil per disc - Full bag rehydrates to Approx 2.5 gallons of soil, Minute Soil by Mountain Valley Seed Company is pure, untreated, raw fibrous coconut coir that is compressed into light convenient discs or blocks that quicky expand into an amazing grow medium when you add water - OMRI listed for organic production., CONVENIENT - Lightweight, compact and Rehydrates quickly - Just add water - Peat Free - Eco Friendly - Raw & Non-ammended (add your own fertilizer). Much easier and tidyer than hauling large bags of damp potting soil., BETTER GROWTH - Minute Soil provides improved water holding capacity and aeration for faster, strong plant growth, and healthier roots., VERSATILE - Use as straight grow medium, or add to garden soil to improve water holding capacity & aeration. Ideal for any growing use: Indoor seed starts, garden soil, flowers, herbs, house plants, vegetables, microgreens, wheatgrass & more.