รูปที่แปด
You complete with this. The mechanism is simple, but principle being the same as base filtration, sucking up the water from under the gravel, has raised the filtration ability of the gravel by circulating. XXMAL 2 XXFEM with about 3 the week one time water changing, washing it does to be in three weeks. In case of the juvenile fish tank with only the week one time water changing is and does not do approximately 1.5 months this way, washing. At the time of the water changing, the water until it stops inhaling, is pulled out with the hose of the pump attachment. Washing it is and the time, about 2 liters takes the water in プラケース, inserts the parent fish. The gravel is washed well with the water which remains. You wash inside the tank, you set the funnel with the inhaling which is one time clean water, every fish reset the water of プラケース to the origin, pour water and entirely it is completion.
