LED Grow Masters offers ZeoPro an all-purpose plant food, soil amendment, and fertilizer scientifically designed, developed & licensed by NASA. It is an ecologically friendly product that enables indoor and outdoor plants to determine when they need nutrition. Utilizing a patented, plant demand nutrient delivery system, ZeoPro is used by some of the largest commercial growers in the United States. It provides the porosity and favorable water retention characteristics that are ideal for plants grown under LEDs. ZeoPro will enhance any soil, even clay or sandy soils with poor nutrient retention and performs best when blended into natural soils and potting mixes. You can reduce fertilizing requirements by 50% to 75%. For more information call 866.414.7244 or visit http://www.led-grow-master.com/.