FoxFarm has blended a new, more affordable potting soil from its line of premium, high-quality ingredients. Weve filled every bag of Happy Frog Potting Soil with all the good stuff youve come to expect from FoxFarm. Weve got finely screened, pH-balanced forest humus, earthworm castings, and bat guano. Not to mention a complete array of beneficial fungi and soil microbes that plants thrive on. This stuff is alive.