Aurora Roots Organics Formula 707 Potting Soil 1.5 cu ftIn Store Location: @L Outside Lot Roots Organics Formula 707 1. 5cu ft Formula 707 is a ready to use soil created for a special kind of gardener, those who want to control their own destiny. This formula is different from the other growing mixes from Aurora Innovations. It was designed with greater water holding capacity, fewer nutrients, less perlite, and less pumice, and it contains ingredients specific to large container gardening. In fact, the