It is a system of 3 different fertilizers blended each with its own unique characteristics for the specific phase of growth the plant is in, each blend has its own time frame for use through out the growing season. No expense was spared in blending Heavy Harvest. Only the finest fertilizer ingredients have been used in Heavy Harvest. Heavy Harvest is pH buffered and contains all the essential macro and micro nutrients needed for explosive, lush, healthy growth of your plants.

Use Heavy Harvest Summer from June 21st to August 7th