Eco Gro LLC 657 W Saint Mary's Rd Tucson, AZ 85701, United States 520-777-8307 http://ecogrowhydro.com/ Eco Gro is conveniently located in Central Tucson, just East of the Speedway/St. Marys I-10 exit. Recognized as a local resource for Aquaponics, sustainable growing methods, unusual and rare plants, equipment, supplies and education. We have the tools and knowledge you need to achieve your goals of growing healthy food while minimizing environmental impacts. We hold inexpensive 3-hour workshops and tours for all levels of gardeners. read full review »