WONDER SOIL® is an eco-conscious gardening solution of expanding potting mix wafers, innovative seed starters and biodegradable pots. The wafers are made in various sizes for different gardening applications, and expand up to 10 times their volume when water is added. The products promote better gardening success for both the novice and professional.Smaller Wonder Soil® wafers that are specially designed for smaller pots and seed starter cells. These wafers are enriched with worm castings, are formulated to promote faster germination and yield up to 40% more sprouts.These wafers can also be used to boost the soil of existing plants. Easy to shake into a pot or around an existing plant to top up the soil level and add needed nutrients.Saves water, space and labor while promoting better seed starting and amazing gardening results.