COMPLETE 6 PART NUTRIENT KIT - Includes Nutrients and Supplements 32oz Core A, 32oz Core B, 16oz Bio-Si, 16oz Big "Data", 16oz Kelp-Ful, 16oz Precursor 1 EASY TO USE - A simple feed program and flexible pouches make it easy to achieve professional results OPTIMIZED IN MEDICAL GARDENS - Used exclusively in some of Oregon's premier gardens since 2007. Handcrafted in small batches, brewed to our exacting standards. SCIENCE - Our nutrient formulas are the result of understanding plant physiology and biochemistry, good old fashion testing and responsible gardening practices giving your plants the nutrients required for a true Prescription Grade Harvest SUSTAINABLE - Everything we do from choosing renewable ingredients, shipping in plain brown boxes is based on our mission to provide your garden with the highest quality nutrients in a way that preserves our planet.