1. Water, internal fish waste isolation container, isolate and store fish waste (equivalent to dry and wet isolation), isolate impurities and water 2. Reduce pollution caused by large amounts of impurities, promote nitriation, keep fish water clean after long time use, solve the problem of turbidity water 3. Funnel shaped fish poop separator designed based on the principle of centrifugal power and buoyancy, isolate the fish droppings and most fish from water 4.Most of the filter and fish droppings adhere to the filter, reducing the burden on the fish filter and solving the problem of filter cotton wear 5. Automatically suck fish droppings, unique full production function accelerates fish water for 1 minute, automatically suck into the bottom of the fish for 1 minute, keep the fish warm for 1 minute, saving time, effort and water