Dark Energy is a bioblend additive for your hydroponic nutrient solution from American Hydroponics. Dark Energy is an amazing blend of essential L-amino acids, beneficial vitamins and bionutrients. It uniquely allows faster and greater ion penetraion of the cell walls, visibly enhancing the rate of growth, especially for flowering plants. Available in a highly concentrated form, very little is required for optimal results. You'll see the results. Dark Energy "It Stinks But It Rocks!