RAW Full Up (uptake) is water soluble and contains 10% soluble humic acids which are derived from peat. The amber color of RAW Full Up reflects this particular form of humic acid. Use RAW Full Up in conjunction with all nutrients and supplements for optimal uptake throughout all stages of growth and bloom. It is a beneficial supplement to all feeding schedules. Its also ideal for adding to foliar sprays and for creating optimal recipe solutions. Works in conjunction with all nutrient and feeding programs.