Don’t have much space to grow? Check out HTG Supply’s offerings of small hydroponic systems, perfect for the scrupulous gardener cramped for space or on a budget. Small hydro systems have been the backbone of indoor gardening, they’re short and squat enough to fit in a closet but …are still powerful enough to grow monster plants. These are also an excellent gateway to the world of hydroponic gardening, with a low cost of entry and easy to use systems. Shop now across our variety of small hydroponic systems.