Big Time Roots will: • Decrease nutrient needs. • Decrease rooting time of new cuttings.. • Destroy root pathogens and the food sources they feed on. • Prevent anaerobic microbes in the root zone and reservoir/feed tank • Eliminate the need for caustic chemicals like Peroxide or Bleaches to clean reservoir,s trays,and feed lines. Each milliliter/CC contains a whopping 2.7 billion cfu's of seven highly effective beneficial microbes. Big Time Roots is non-toxic and safe for all plant, animal, and marine life! Not for sale in OR.