The FloraFlex Round/Square Flood and Drip Shield + Quicker Dripper gives you instant control over your feeding plan and is designed for those who need a faster feed than the Gravity Drippers. Place the Round/Square Flood and Drip Shield on top of your plant and use the built-in measuring table to fill the reservoir with water and nutrients. The Quicker Drippers pop into the five holes and deliver the precise amount of water and nutrients you want for your plants. For enhanced functionality, use a Barbed Insert to automate your feed into a top-feeding drip system. This product is an excellent base tool for a top feeder or anyone who values the benefits of a drip system combined with the results of top feeding. It also helps prevent algae growth by covering the top of the media.