This is a hydroponic system for growing herbs & other plants. A nutrient solution is circulated through the reservoir, to ensure oxygen & nutrients are properly distributed to each plant. This system includes: 1 Air Pump 1 Water Pump 2 Grow Lights (with timer) 15 Plant Cups 15 Plugs 1x7 Gallon Water Reservoir 1x 8 Oz A Nutrient Solution (Cyco) 1x 8 Oz B Nutrient Solution (Cyco) 1xPH Meter - Electric This kit comes with printed instructions. Please note that not all plants grow well hydroponically. Please research plant being used, to ensure maximum success. 7 Gallon Hydroponic Garden System | Dwc Deep Water Culture