The Flo-Gro uses Ebb and flood, the most popular technique of hydroponic growing for a single specimen plant. Compatible with all growing medium such as clay pebbles and Grodan growcubes it puts all competitor products in the shade with easy access to pump and nutrient plus an adjustable delivery tube. It is a top flooding Ebb and flood system and fits most spaces and gro-light arrangements. All systems come as complete kits, basic kits or parts can be sold separately. Low maintenance. Excellent delivery and even distribution of nutrient solution. Easy access to pump and nutrient. Large volume of nutrient solution to plant capacity. Low level system to maximize headroom. Deluxe fittings for quicker drainage. Tank volume is 17 liters. Measures 21-1/2-inch by 17-1/4-inch by 11-inch.