Organic Tidal or Acadian Kelp Mix is 4 certified organic ingredients mix, plus the pumice. This mix encourages your plants to more effectively draw nutrients from the soil in general. This means that your plants are more efficient growing machine. This mix contains more than 60 minerals, more than 12 vitamins, and all essential amino acids. It is a great mix for flower beds, fruit trees, shrubs, and is a clean, manure free mix for veggies.