2 Cubic Foot Bag. Nutrient rich, Happy Frog Potting Soil is highly recommended for container gardens. Ready to use right out of the bag, and is pH adjusted to allow for maximum nutrient uptake. Our unique mix is alive with beneficial soil microbes and mycorrhizal fungi that dramatically expand root development enabling plants to feed more aggressively. The benefits of this premium select potting soil are strong plant structure, vigorous vegetative growth, with enhanced fruit and flower production.