http://www.modularhydro.com For those who are serious about growing medium to large plants in record breaking time the Eco Flo DWC Black Widow Grow Bucket fits the bill. Easy fill and drain means you do not have to remove the lid between grow cycles, draining and filling your system is a snap. Your plants will experience record fast grow rates due to the Spiders dual inlet AIT Air Injection Technology. All of the plants roots are constantly suspended in a cloud of air during the entire grow cycle, which means clean crisp white roots. This system fits the bill for those who want the best in a deep water culture hydroponics system... ENJOY!