Mega Mass Weight Gain will create dense, vigorous, bud development that will maximize optimum weight for end harvest. Use for 3-4 weeks during late flowering. Begin use when flowers are well established. *Do not use during last two weeks of flower. Usage: Add 1 gram per gallon of nutrient solution in addition to a regular nutrient feeding program. Dissolve powder in small amount of warm water before use. Use in conjunction with Mega Mass Pure Energy for spectacular results!!