The FloraFlex Round Flood and Drip Shield + Quicker Dripper instantly gives you control over your feeding plan and was designed for those who want a faster feed than the Gravity Drippers. Place the Round Flood and Drip Shield on top of your plant and use the built in measuring table to fill the reservoir with water and nutrients. Quicker Drippers pop into the 5 holes and slowly deliver the exact amount of water and nutrients you want to distribute to your plants. Take your system a step further and use a Barbed Insert to automate your feed into a top-feeding drip system. This product is the perfect base tool for a top feeder or someone who enjoys the benefits of a drip system and likes the results of a top feed. It eliminates algae by covering the top of the media.