Brand General Hydroponics Item Weight 1.6 Pounds Item Form Liquid Liquid Volume 1 Encourages abundant flowering Facilitates ripening in annuals Boosts production of essential oils and fragrances KoolBloom Dry is rich in phosphorous and potassium NPK of 2-45-28 Dry KoolBloom promotes greater oil and fragrance production along with faster ripening. Highly concentrated and cost effective, this supplement offers macronutrients that are primarily responsible for flower and fruit growth.