Hydro terra is pleased to offer our customers a vast selection of indoor gardening supplies including hydroponic systems, Co2 equipment, grow lights, cloning supplies, trays, reservoirs & a complete source of nutrients and hydroponic indoor gardening accessories.Hydroponic indoor gardening is a fast emerging and popular way to grow and clone various vegetable crops. Including the popular hydroponic tomato and hydroponic lettuce. Hydroponic indoor gardening can be used in cultivating various crop producing plants and vegetables.