【Fun & Effective Eating】 - The fish feeding ring keeps the fish's food on the water for longer, so that they can come back for snacks. The fish become like eating, then walk into the rock, and then come out to eat, feeding becomes fun. Feeder Circle Reduce waste! 【Thoughtful Detail Design】- Flexible connecting rod, an automatic suspension of water level changes, small fish feeding ring no need to manually adjust the position. The fish don't have to chase the rotating food caught by the filtered water and cause starvation 【Keep the Aquarium Clean】- Buoyancy foam is ,embedded at the bottom of aquarium feeding ring to increase buoyancy. The fish food is firmly fixed in the feeding ring, will not be scattered everywhere and moldy, and will not be pulled into the filter to block it, making your aquarium clean and healthy