Earthworks Health LLC Soluble Humic Acid Powder is a product derived from natural material rich in soil organic matter and humic substances. This product is 99.9% soluble in water. The product is to be made into a liquid product or used dry directly onto soil. Soil organic matters and humic substances may improve the quality of soil, growth of soil organisms, and uptakes of nutrients by plants. Can be used in soil and hydroponic systems! For soil or hydroponic system at a 12% solution of Humic: 1. Mix 1.25 lbs of Powder into 1 US Gallon of Water. 2. Mix small amounts at a time and stir and blend until well dissolved. 3. Makes (4) 12% Humic Acid Solution 1-Quart Jugs. For Soil or Hydroponic systems at 6% Humic Acid: 1. Mix .625 lbs of powder into 1 gallon of water 2. Mix small amounts at a time and stir and blend until well dissolved. 3. Makes (4) 12% Humic Acid Solution 1-Quart Jugs. For Soil Application: 1. Mix 1oz of Humic Acid Solution per 1 US Gallon of Water 2. Apply every two weeks whether foliar or by way of watering the root system For hydroponic Application: 1. Best used as 1oz of Humic Acid Solution in the reservoir or as a better application, please foliar feed. *NOTE: Please do not mix with calcium fertilizers or fertilizers with a ph of 6.0 or lower. *NOTE: More is not better in the case of humic acid and please follow directions.