Formula 1 allows more control over the nutrient profile in the substrate than with the fortified Classic blend. With the correct fertilization regime Formula 1 produces faster plant growth than our other blends, due to its physical properties and type of fertilizer used. The ideal fertilizer for this soil is water soluble inorganic mineral nutrients.
Freedom Farms Premium Classic Craft Soil blend is formulated mainly for organic growing practices and organic nutrients. Compared to the Formula 1 mix, the Classic has a greater Cation exchange capacity (CEC), higher active organic matter content, as well as a balanced semi-slow release organic nutrient component. It will also hold water longer than the Formula1 mix. Substrate pH 6.5.