Botanicare'sKind Base, NPK (4-0-0), is the first part of a three-part nutrient that allows for 100% customization. High in nitrogen, Botanicare'ss Kind Base also contains calcium with no trace minerals, magnesium, or sulfur. This three-part formula was created for maximum versatility within your growing cycle. It will provide your plants with the ideal nutrition in the optimal doses due to the calcium and magnesium being separate from the trace minerals. To increase your calcium levels, simply increase the base. This nutrient is ideal for plant types that require high levels of calcium and nitrogen.