How do fish filters work well?
Pump the pump into the water, pump the water out of the pipe with the pressure of the pump, float it over the filter cotton, place the basket on the tank, and return the water by gravity, like a fish tank. A simple filter is ready.
Go to the store to buy a commodity has many holes of the basket, and then to the market to buy a few pieces of sponge (filter cotton, cotton, biochemical) conditions can also buy a piece of activated carbon, activated carbon sponge and flutter in the basket, remember to ensure that every place, make the water at any one Kong Liu that can be filtered.
Water pump as a filter, in short, is to pump up the water, through leakage, filtration, adsorption, remove harmful substances and impurities, and then discharged water back to the cylinder process.
Nitrifying bacteria will grow on biological filters, that is, the main component of water quality is biofiltration. Under the conditions, you can add a layer of biological filter, a layer of physical filter overlay.
When the filter box is placed on the fish tank, the minimum is more than 10 cm of biological filter (using a plastic ball or a little cheaper ceramic ring), on which the filter cotton as a physical filter layer