Breaks down old roots allowing more fresh root growth. Also has vitamins to stimulate root growth. Use throughout.Cannazym is a whole new class of intelligent enzymology plant protectors from Holland. It sets the benchmark for this natural biocatalyst, medium decomposer and improver that contains an integrated blend of more than fifteen different enzymes and special vitamins. It works by rapidly breaking down dead roots into minerals and sugars to allow for new healthier roots to form, maximising nutrient uptake. In conjunction with this, Cannazym captures rare desert plants which add superior, increased levels to the plants natural immune system to protect against soil pathogens. Additional biogrowth stimulants enhance overall plant growth and chemical reactions within the plant to guarantee a healthier, more powerful plant. This product has worked for all of our professional and hobbyist growers, time after time. A real winner!