Courtyard fish pond filtration

There are ready-made pond filters on the market. You can find it on Taobao.

In addition, the main function of filtration is biochemical filtration. Need long-term uninterrupted use. This can filter the suspended solids in the water, make the water clear, improve the water quality, degrade harmful substances and ensure the health of fish. Establishing an effective biochemical filtration system can greatly reduce the need to change water.

If you just want to suck away the dust in the pool, go to the hardware store and buy a sewage pump with a power of 100 watt or more. Find a turnover box with a hole in the bottom, and put a cotton filter in it. Pumping water with a sewage pump, flowing back to the fish pond through the turnover box, will soon be clean.