Wonder Soil® Instant Wafers, Pack of 18 (over 10 lbs of mix) - Just add water to the compressed Wonder Soil and watch it expand up to 10 times its original volume. Great for seed starting, this soil-less medium contains a mix of coconut coir, peat moss, nutrients, and water-absorbing polymers. These special biodegradable polymers store and release water as needed for healthier plants and less watering. Recommended for containers, cuttings, or adding to planting holes to reduce watering. Each nutrient-enriched wafer expands to fill a 4-5 inch pot. Contains 18 wafers totaling more than 10 lbs. of potting mix. Each disk is 2 and 5/8" across, 3/8" thick.
