There are more and more koi ponds nowadays. In every koi pond, the brush is almost one of the best choices for its filtering equipment. The characteristics of this brush are light weight, simple structure, easy to clean and durable; it will not be clogged if it is not cleaned for a long time; its function of adhering foreign matter is extremely strong; different brushes can be selected according to different sizes of filter chambers size. The brush can take on the functions of physical filtration and biochemical filtration at the same time. The high-density brush can block most of the solid waste and suspended matter in the fish pond. At the same time, because the brush is easy to adhere to a large number of water purification microorganisms, it is often used as a biological filter. The brush is also economical. A large-scale koi pond filtration system is much cheaper than using imported materials. Therefore, many fisheries and players use brushes as filter materials, and some even use brushes entirely. The brush is praised by the players as the 'king of the price-performance ratio' of the koi pond filtration. Koi Fish Pond Filter Brush How to choose a brush is a key to the filter setting of Koi Pond. Inferior quality brushes cannot achieve the desired effect and may become a burden for players. When choosing a brush, you should pay attention to the following issues: ****: The steel frame of the brush. The steel frame of the brush should be made of high-quality stainless steel. The environment of the koi pond filter bin is very harsh, and various excretion wastes are very corrosive to the brush. The high-quality stainless steel frame can last for several years without rusting or breaking. Inferior steel bones generally rust and break after six months to one year. Second: the hair quality of the brush. In order to reduce costs, some irresponsible manufacturers often use recycled materials to make bristles, which will greatly reduce the service life and filtering effect of the bristles. Brushes made of recycled materials are easy to age, have poor corrosion resistance, and are easy to break; at the same time, they have poor strength. After a large number of attachments are accumulated on the bristles for a long time, the bristles will be severely deformed, unable to carry the beneficial bacteria on them, and cannot function as a fungus bed. In addition, the amount of bristles, the level of twisting, and the neatness of cutting will affect the filtering effect of the brush.